Review for Test (3.1, 3.2, 3.3)

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

f(x) = x²+6; find x when f(x) = 262

• 16

• -24

• 6

• -15

f(x) = x²+6; find f(-2)

• 10

• -2

• 6

• -5

g(m) = -2m + 7; find g(-4)

• -1

• -14

• 15

• 7

g(m) = -2m + 7; find m when g(m) = 7

• -1

• 0

• 15

• 3

• 1

What is the range of the function?

• -7≤x≤6

• -7<x<6

• -8<y<2

• -8≤y≤2

What is the DOMAIN of this graph?

• x < -3

• x ≤ -3

• x > -3

• x ≥ -3