Interim Assessment #5 Review Part 2

Write $\log_3x=4$  in Exponential Form

•  $x^3=4$  

•  $3^4=x$  

•  $3^x=4$  

•  $4^x=3$  

Which Graph represents the function? $f\left(x\right)=\frac{1}{7}\left(3\right)^x$  

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Solve the radical equation. Check for any extraneous solutions.

 $\sqrt{-5x+14}=x$  

• x = -7 x = 2

• x = 7 x = -2

• x = -7 only

• x = 2 only

• no solution

Solve and check for any extraneous solutions $\frac{1}{x+2}+\frac{1}{x+4}=\frac{x+8}{x^2+6x+8}$  

• x = 2

• x = -2

• x = -2 x = -4

• x = 2 x = 4

Given the function $f\left(x\right)=\frac{10}{x+2}$  what is the average rate of change in f(x) over the interval  $3\le x\le8$  ?

• 5

• 1/5

• -1/5

The parent cube root function $f\left(x\right)\ =\ ^3\sqrt{x}$  is transformed into the function  $g\left(x\right)=^3\sqrt{x-1}+3$  

Which graph represents g(x)?

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Which graph represents $g\left(x\right)\ =\ \left|x-2\right|\ +1$  

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Given $f\left(x\right)\ =x^2+x-12$  and  $g\left(x\right)\ =\ \left|x-1\right|-2$  which value is a solution to the equation f(x) = g(x)?

• x=12

• x=-1

• x= 3 and x = -4.5

• x = 0 and x = 3.3

Simplify.

 $\frac{20x^7y^4z^2}{-5x^6y^4z^8}$  

•  $-4xz^{-6}$  

•  $\frac{-4x}{z^6}$  

•  $4xz^{-6}$  

•  $\frac{4x}{z^6}$  

Find the partial sum of the first 7 terms of the following sequence: 3 - 12 + 48 -192 + ...

• 9831

• 931

• 9251

• 98311