Advanced Algebra Unit 2 Test Review

Let f(x) = -3x - 4 and g(x) = -7x + 9

Find f(x) + g(x)

Add. Write your answer in standard form.

(5d⁶ - d²) + (d⁶ + 8d² - 3)

• 7d² + 6d⁶ - 3

• 4d⁶ - 9d² + 3

• 6d⁶ + 7d² - 3

• 5d¹² -8d⁴ - 3

Let f(x) = 3x - 6 and g(x) = x - 11.

Find f(x) - g(x)

Which polynomial is equal to (−4x² + 5x − 9) subtracted from (x³ − x² + 2x)?

• -x³ - 3x² + 3x - 9

• x³ + 3x² - 3x + 9

• -x³ - 5x² + 7x - 9

• x³ + 3x² + 7x - 9

Find the product 5cd⁴(-3c⁷d³ - c²d)

• -15c⁷d⁷ - 5c²d⁴

• 2c⁷d⁷ + 4c²d⁴

• -15c⁸d⁷ - 5c³d⁴

• -15c⁸d⁷ - 5c³d⁵

Find the product (2x - 4)(x³ - 7x + 1). Write your answer in standard form.

• 2x⁴ - 14x² + 2x - 4x³ + 28x - 4

• -2x³ -2x - 4

• 2x⁴ -4x³ -14x² +30x - 4

• 2x⁴ -4x³ -14x² -26x - 4

Find (x-7y)³ by finding the product

(x - 7y)(x - 7y)(x - 7y)

• x³ - 343y³

• x³ - 21x²y - 49xy² - 343y³

• x³ - 21y³

• x³ - 21x²y + 147xy² - 343y³

If f(x) = 5x - 4 and g(x) = 8 +2x, which expression represents

f(x) · g(x)?

• 10x² + 32x -32

• 10x² + 48x -32

• -10x² - 32x + 32

• -10x² - 48x + 32

Let f(x) = -3x - 4 and g(x) = -7x +2.

Find (f º g)(-2)

Let f(x) = x² + 3 and g(x) = (x + 5)/x.

Find (g º f)(-5)

• 0

• 3

• 33 / 28

• 28 / 5