CCSS.Math.Content.HSF.IF.A.2

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

• 2
• 4
• (2)^x
• 8

Tags

CCSS.Math.Content.HSF.IF.A.2

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

• 2
• 4
• (2)^x
• 8

Tags

CCSS.Math.Content.HSF.IF.A.2

If f(x)=3x-9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

Tags

CCSS.Math.Content.HSF.IF.A.2

CCSS.Math.Content.HSF.IF.A.1

g(x)=3x+4
h(x)=3x-1
Find (g∘h)(x)

• -9x+11
• 4x²+4x
• 9x+1
• 9x+11

Tags

CCSS.Math.Content.HSF.IF.A.2

CCSS.Math.Content.HSF.IF.A.1

Find f(2).

• 1
• -1
• 5
• DNE

Tags

CCSS.Math.Content.HSF.IF.A.2

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

Tags

CCSS.Math.Content.HSF.IF.A.2

CCSS.Math.Content.HSF.IF.A.1

If h(a) = 3 - 2a

Find h(-3).

• 12
• -2
• -3
• 9

Tags

CCSS.Math.Content.HSF.IF.A.2

CCSS.Math.Content.HSF.IF.A.1

What is f\left(0\right)

f(0) for the function f(x)=2x+3?

• 2x

• -3

• 3

• 10

Tags

CCSS.Math.Content.HSF.IF.A.2

Select all the exponential functions that have a y-intercept of $\left(0,\ -5\right)$ 

(Hint: Let x = 0 and evaluate for y)

•  $y=-1\cdot5^x$  

•  $y=-5\cdot2^x$  

•  $y=3\left(\frac{1}{2}\right)^x-8$  

•  $y=4\left(\frac{4}{5}\right)^{\left(x-1\right)}$  

•  $y=-6^{\left(x+1\right)}+1$  

Tags

CCSS.Math.Content.HSF.IF.A.2

Given 
  $g\left(x\right)=4x-2$  

Evaluate: 

 $g\left(-7\right)$  

•  $g\left(-7\right)=-30$  

•  $g\left(-7\right)=-26$  

•  $g\left(-7\right)=-36$  

•  $g\left(-7\right)=26$  

Tags

CCSS.Math.Content.HSF.IF.A.2