1.6 Day 1

Given

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1

• 5x⁴ + 6x² - 1

• 5x² + 6x - 1

• 5x² + 8x - 1

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

• 19
• 23
• -10
• None of these.

• 9 - √17
• 4
• 2
• √8

• -1
• 1
• -1/3
• -5/3

f(x) = (x-1)²

g(x) = 3x+4

h(x) = 3x-1

Find f(g(h(3)))

• 8

• 28

• 729

• 54

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2