Use the given information about the polynomial function f(x) to write its complete factored form.f(x) = -5x2 + 5x + 30; zeros: 3 and -2
A. f(x) = (x - 3)(x + 2)
B. f(x) = -5(x + 3)(x - 2)
C. f(x) = -5(x - 3)(x + 2)
D. f(x) = 5(x - 3)(x + 2)
Answer: C
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Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 3x + 6y3z2
A. No B. Yes
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The amount of water in a pool as it is being filled, as a function of time.
A. quadratic; negative B. linear; positive C. linear; negative D. quadratic; positive
Factor by grouping.12(a + 6)2 + 10(a + 6) + 2
A. (4a + 26)(3a + 19) B. (4a + 25)(3a + 20) C. (4a + 2)(3a + 1) D. (4a + 8)(3a + 7)
Perform the division.
A. xy - 5 + 
B. x2y2 - 5 + xy
C. x2y2 - 5 + 
D. x2y2 - 5 + 4xy