Precalculus Solutions | Expert Assistance for Problems & Examples

Find, correct to the nearest degree, the three angles of the triangle with the given vertices.
P(2, 0), Q(0, 3), R(3, 4)

DofotheroU 2021-05-19

Use limit laws and continuity properties to evaluate the limit.
$lim_{(x, y) \to (4, - 2)} x \sqrt{3} {y^{3} + 2 x}$

Nannie Mack 2021-05-18

Let P(k) be a statement that $\frac{1}{1 \cdot 2} + \frac{1}{2 \cdot 3} + . . . + \frac{1}{k \cdot (k + 1)} =$
for: The basis step to prove $P (k)$ is that at $k = 1, ?$ is true.
for:Show that $P (1)$ is true by completing the basis step proof. Left side of $P (k)$ and Right side of $P (k)$
for: Identify the inductive hypothesis used to prove $P (k)$ .
for: Identify the inductive step used to prove $P (k + 1) .$

Marvin Mccormick 2021-05-17

How many combinations of three items out of a group of six can be chosen? List all of the combinations of objects B, D, and F after identifying them with the letters A, B, C, D, E, and F.

bobbie71G 2021-05-17

Find the scalar and vector projections of b onto a.
$a = (4, 7, - 4), b = (3, - 1, 1)$

Armorikam 2021-05-16

Find an equation for the plane that
(a) is perpendicular to $v = (1, 1, 1)$ and passes through (1,0,0).
(b) is perpendicular to $v = (1, 2, 3)$ and passes through (1,1,1)
(c) is perpendicular to the line $l (t) = (5, 0, 2) t + (3, - 1, 1)$ and passes through (5,-1,0)
(d) is perpendicular to the line $l (t) = (- 1, - 2, 3) t + (0, 7, 1)$ and passes through (2,4,-1).

Amari Flowers 2021-05-16

Sketch the graph of the function
a) $f (1) = [[1]] + [[- 1]] = 1 \pm 1 = 0$

$f (0) = 0$

$f (\frac{1}{2}) = 0 \pm 1 = - 1$

$f (- 2.7) = - 3 + 2 = - 1$

b) $lim_{x \to 1} f (x) = - 1$

$lim_{x \to 1 +} f (x) = - 1$

$lim_{x \to \frac{1}{2}} f (x) = - 1$

c) f is continuous for all real numbers except $0, \pm 1, \pm 2, \pm 3, \pm 4 \dots$

Josalynn 2021-05-16

Find derivatives of the functions defined as follows.
$p = \frac{1000}{9 + 4 e^{- 0.2 t}}$

Dillard 2021-05-14

A chef has one cheese that contains 45% fat and another cheese that contains 20% fat. How many grams of each cheese should she use in order to obtain 30 grams of a cheese mixture that is 30% fat?

Jason Farmer 2021-05-14

Determine whether each of the given sets is a real linear space, if addition and multiplication by real scalars are defined in the usual way. For those that are not, tell which axioms fail to hold. The function are real-valued. All rational functions f/g, with the degree off ≤≤ the degree ofg (including f = 0).

Line 2021-05-14

The process by which we determine limits of rational functions applies equally well to ratios containing noninteger or negative powers of x: Divide numerator and denominator by the highest power of x in the denominator and proceed from there. Find the limits. $lim_{x \to \infty} ((x^{- 1}) + (x^{- 4})) / ((x^{- 2}) - (x^{- 3}))$

Kye 2021-05-14

(7a−7)−(12a−4)

Lipossig 2021-05-14

Find the area of the shaded region

Yulia 2021-05-13

g is related to one of the parent functions. Describe the sequence of transformations from f to g. g(x) = -2|x - 1| - 4

Ernstfalld 2021-05-13

Penguins spend almost 75% of their lives in the sea. An Emperor Penguin in the wild has a life span of about 18 years. About how many years does this penguin spend In the sea?

Reeves 2021-05-13

Find the volume of the solid generated by revolving the shaded region

he298c 2021-05-13

For the function f whose graph is given, state the following.

(a) $lim_{x \to \infty} f (x)$
b) $lim_{x \to - \infty} f (x)$
(c) $lim_{x \to 1} f (x)$
(d) $lim_{x \to 3} f (x)$
(e) the equations of the asymptotes
Vertical:- ?
Horizontal:-?

Anonym 2021-05-13

Find the volume of the parallelepiped determined by the vectors a, b, and c. a=<1, 2, 3>, b=<-1, 1, 2>, c=<2, 1, 4>

emancipezN 2021-05-12

Determine whether the series is convergent or divergent.
$1 + \frac{1}{2 \sqrt{2}} + \frac{1}{3 \sqrt{3}} + \frac{1}{4 \sqrt{4}} + \frac{1}{5 \sqrt{5}} + \dots$

usagirl007A 2021-05-11

Solve for y: $\frac{7 y + 3}{2} = (\frac{8 y + 1}{6}) + 23$
Simplify your answer as much as possible.

Precalculus problems and solutions are hard to find online even though this topic is quite popular among college students majoring in Engineering. Keeping this fact in mind, we decided to provide you with a list of questions and answers that will help you with various precalculus problems. Regardless if it is related to equations or any other problem, these precalculus problems and composite functions examples and solutions below will help you see the logic and compare solutions as you check your original task.

Precalculus

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