Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = x4 + 9x2 - 400
A. -4, 4; f(x) = (x - 4)(x + 4)(x2 + 25)
B. -5, 5; f(x) = (x - 5)(x + 5)(x2 + 16)
C. -4, -5, 4, 5; f(x) = (x - 4)(x + 4)(x - 5)(x + 5)
D. 4; f(x) = (x - 4)2(x2 + 25)
Answer: A
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A. Function B. Not a function
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.
A. (2, -1) B. (1, 2) C. (2, 1) D. inconsistent system of equations
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A) 598,500 pounds B) 5985 pounds C) 59,850,000 pounds D) 5,985,000 pounds E) 59,850 pounds