Pre-Cal Review

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What is the inverse of the given coordinates: (1, 2) (3, 8) (-3, 6)

• (1, 2) (3, 8) (-3, 6)
• (1, 2) (8, 3) (-3, 6)
• (-1, -2) (-3, -8) (3, -6)
• (2, 1) (8, 3) (6, -3)

are these inverse functions?

• no
• yes
• no way to tell

What is the range of the graph?

• 1 ≤ x ≤ 5
• 1 < x < 5
• 1 ≤ y ≤ 5
• 1 < y < 5

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the domain of the graph?

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

Factor x² -16x + 48

• (x - 12)(x - 4)
• (x + 6)(x - 8)
• (x + 12)(x - 4)
• (x -16)(x - 3)

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• Unfactorable
• (3v+1)(v-10)

At what x values are there discontinuities?

• 1 only
• 1 and 6
• -4 and 6
• -4,1 and 6

When is this function increasing?

• -2.5 < x < 2.5
• 0 < x < 5
• 0 < x < 55
• -5 < x < 0

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

Where is the decreasing?

• ( −∞, −2.55) U (0, 2.55)
• (∞, −6.25) U (36, −6.25)
• (−∞, ∞)
• (−∞, 0)

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11