Multiplying Functions

Find the product.
(2y - 7)(3y + 5)

• y² + 2y + 4
• 6y² -11y -35
• -35 -11y + 6y²
• 2y² -17y +30

Which expression is equivalent to x(2x²+3x)?

• 2x³+3x²
• 2x²+3x
• 2x²+3x²
• 2x³+3x

Which expression is equivalent to
(3x – 1)(x + 5) ?

• 3x² + 4x + 5
• 3x² + 4x - 5
• 3x² + 14x + 5
• 3x² + 14x - 5

Find the product:
(n - 5)(n - 1)

• n² - 5n + 5
• n² - 6n + 5
• n² + 5
• n² + 6n + 5

Simplify:
(x-7)²

• x²-49
• x²+49
• x²-14x+49
• x²-14x-49

f(x) = 6x² + 3x + 2 and g(x) = x - 7

Find f(x) * g(x)

• 6x³ - 39x² - 19x + 14

• 6x³ - 39x² - 21x - 14

• 6x³ - 39x² - 19x - 14

• 6x³ - 45x² - 19x + 14

f(x) = 4x + 1 and g(x) = 4x - 3
Find f(x) * g(x)

• 16x² + 8x - 3
• 16x² - 8x + 3
• 16x² - 8x - 3
• 16x² - 16x - 3

For the function f(x) = -3x + 3 find f(0).

• 0
• -3
• 3
• -1

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.
What does c(7) represent?

• A cost of $7 to ride the taxi
• The cost to ride 7 miles
• The minimum distance to ride a taxi
• The minimum cost of a taxi