CMIIh

2021-08-10

Classify whether the function is polynomial, power, rational, algebraic, trigonometric, or other.

a)$f\left(x\right)=2{x}^{3}\u20133{x}^{2}+x-4$

b)$f\left(x\right)=\sqrt[3]{{x}^{2}}$

c)$g\left(x\right)=\frac{x}{{x}^{2}\u20134}$

d)$f\left(x\right)=3{t}^{-2}\u20132{t}^{-1}+4$

e)$h\left(x\right)=\frac{\sqrt{x}+1}{\sqrt{x}\u20131}$

f)$f\left(x\right)=\mathrm{sin}x+\mathrm{cos}x$

a)

b)

c)

d)

e)

f)

stuth1

Skilled2021-08-11Added 97 answers

a) $ff\left(x\right)=2{x}^{3}\u20133{x}^{2}+x\u20134$ is a polynomial function with degree 3

b)$ff\left(x\right)=\sqrt[3]{{x}^{2}}$ is a power function

c)$fg\left(x\right)=\frac{x}{{x}^{2}\u20134}$ is a rational function

d)$ff\left(x\right)=3{t}^{-2}\u20132{t}^{-1}+4$ is a rational function

e)$fh\left(x\right)=\frac{\sqrt{x}+1}{\sqrt{x}\u20131}$ is an algebraic function

f)$f\left(x\right)=\mathrm{sin}x+\mathrm{cos}x$ is a trigonometric function

b)

c)

d)

e)

f)

Find the volume V of the described solid S

A cap of a sphere with radius r and height h.

V=??

Whether each of these functions is a bijection from R to R.

a) $f(x)=-3x+4$

b) $f\left(x\right)=-3{x}^{2}+7$

c) $f(x)=\frac{x+1}{x+2}$

?

$d)f\left(x\right)={x}^{5}+1$In how many different orders can five runners finish a race if no ties are allowed???

State which of the following are linear functions?

a.$f(x)=3$

b.$g(x)=5-2x$

c.$h\left(x\right)=\frac{2}{x}+3$

d.$t(x)=5(x-2)$ Three ounces of cinnamon costs $2.40. If there are 16 ounces in 1 pound, how much does cinnamon cost per pound?

A square is also a

A)Rhombus;

B)Parallelogram;

C)Kite;

D)none of theseWhat is the order of the numbers from least to greatest.

$A=1.5\times {10}^{3}$,

$B=1.4\times {10}^{-1}$,

$C=2\times {10}^{3}$,

$D=1.4\times {10}^{-2}$Write the numerical value of $1.75\times {10}^{-3}$

Solve for y. 2y - 3 = 9

A)5;

B)4;

C)6;

D)3How to graph $y=\frac{1}{2}x-1$?

How to graph $y=2x+1$ using a table?

simplify $\sqrt{257}$

How to find the vertex of the parabola by completing the square ${x}^{2}-6x+8=y$?

There are 60 minutes in an hour. How many minutes are there in a day (24 hours)?

Write 18 thousand in scientific notation.