Final MCA Review

Simplify  $100^0$  

• 100

• 1

• 0

• Not possible 

Simplify  $3x^{-4}y^0z$  

•  $\frac{3z}{x^4}$  

•  $3x^{-4}\left(1\right)z$  

•  $3x^{-4}z$  

•  $\frac{1}{3x^4z}$  

Simplify $\left(3y^4\right)^2$  

•  $9y^8$  

•  $9y^6$  

•  $6y^8$ 

•  $6y^6$ 

Simplify  $\frac{y^{10}\cdot y^2}{y^4}$  

•  $\frac{y^{12}}{y^4}$  

•  $y^8$  

•  $y^3$  

•  $y^6$  

In an exponential function, what does the 'a' represent? 

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

In an exponential function, what does the 'b' represent?

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Classify the model as Exponential GROWTH or DECAY.
 $y=10\left(1.01\right)^x$  

• Growth

• Decay

Classify the model as Exponential GROWTH or DECAY.
 $y=1200\left(0.85\right)^x$  

• Growth

• Decay

Identify the percent change of the exponential function  $y=10\left(0.75\right)^x\$  

• 25

• 75

• x

• 35