Quiz 7.5/7.7 P/Q and Operations on Functions H.

Which of the following could be a zero of
f(x)=x⁴-10x³+35x²-50x+24

• x = -1
• x = 5
• x = -2
• x = 2

Find all zeros of the polynomial function P(x) = x³+6x²+9x+54

• 6, 3, -3
• -6, 3, -3
• -6, 3i, -3i
• 6, 3i, -3i

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = x³ + 2x² - 6x + 8

• ±1, ±8
• ±1, ±2, ±4, ±8
• ±1, ±2, ±4
• 1, 2, 4, 8

Solve by using Rational Root Theorem: 
2x³ - 11x² + 12x + 9 = 0

• -1, 1, 3
• -1, 3/2, 3 
• -1/2, 3, 3
• -1/2, 1, 3

Which of the following would be the correct factored form with roots 2, 5i, and 6?

• (x-6)(x-2)(x+5i)(x-5i)

• (x+6)(x+2)(x+5i)

• (x-6)(x-2)(x-5i)

• (x+6)(x+2)(x-5i)

-7i, 3√2, _____, ______

• -7i, 3√2,

• -7i, -3√2,

• 7i, 3√2,

• 7i, -3√2,

Write a polynomial function of least degree with the given zeros.

• A
• B
• C
• D

Given the functions, find (f + g) (x)

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of f(g(4)).

• 182
• 40
• 61
• None of the Above