Unit 2 CC Alg 2

If $h\left(x\right)=4x-2$  , then which of the following is the solution to  $h\left(x\right)=10$  ?

• x=2

• x=3

• y=3

• y=2

If  $f\left(x\right)=-\frac{1}{2}x+6$ , then which of the following values solves the equation f(x)=10?

• 1

• -4

• -8

• 11

Given the function f(x) shown, state the value of f(2).

• -2.5

• 3

• 6.75

• 4

How many values solve the equation f(x) = 5 for the function shown?

• 1

• 3

• 2

• None

We use the Vertical Line Test to tell...

• If a relationship is a function

• If a relationship has an inverse

• If a relationship exists

• If a relationship has a domain

We use the Horizontal Line Test to tell...

• If a relationship has an inverse

• If a relationship has an inverse that is also a function

• If a relationship is a function

• If a relationship crosses the x-axis

Which of the following four graphs is not a function?

• 
• 
• 
• 

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Why ISN'T this a function?

• It has repeated x-values so it fails the VLT

• It has repeated x-values so it passes the VLT

The function f is defined by the formula f(x)= x²+2 and the function g is defined by the formula g(x)=2x. Which of the following is the value of f(g(2))?

• 18

• 14

• 5

• 9