Solving Function Equations

If f(x) = x-5 and g(x) = 3x²-1,

what is (f ° g)(x) ?

• 3x²-5

• 3x²-1

• 3x²-4

• 3x²-6

Tags

CCSS.HSF-BF.A.1C

p(x) = 3x + 4
q(x) = 2x²
Find p(p(-3))

• -9

• 7

• -11

• None of these

Tags

CCSS.HSF-BF.A.1C

Solve for x and y.

y = 2/3x - 2

y = -x + 3

Hint: NSpire Solving Systems

• (0,3)

• (0,-3)

• (3,0)

• (-3,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y

3x + 2y = 16

7x + y = 19

Hint: NSpire Solving Systems

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x:

4(1-x)+3x=-2(x+1)

Hint: NSpire N-Solve

• x = -6

• x = 6

• x = 3

2x + 3(5x - 7) = 47

Hint: NSpire N-Solve

• x = 1

• x = 2

• x = 3

• x = 4

Tags

CCSS.8.EE.C.7B

Solve the equation.

Hint: NSpire N-Solve

• x=-6

• x=-3

• x=3

• x=6

Tags

CCSS.7.EE.B.4A

Solve 2x² + 17x + 21 = 0 Hint: STO Function on Nspire

• x= ^-21/₂, -17

• x= ²/₃, 16

• x=-7, ^-3/₂

• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B

Which equation has a line that would pass through both (8, 5) and (9, −1) ?

• y = 6x + 53

• y = −6x - 53

• y = (−4/5)x + 53

• y = −6x + 53

evaluate bc + 5a   when  a = 3, b = 4, and c = -6

Hint: STO Function on Nspire

• 9

• 38

• -38

• -9

Tags

CCSS.6.EE.A.2C