Find the requested function value.f(x) = 7x + 6, g(x) = -3x2 + 5x - 7Find (g ? f)(-4).
A. -51
B. -1569
C. -99
D. -519
Answer: B
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Find the indicated root of the given equation by using Newton's method.2x5 - 3x2 - 7x + 1 = 0 (all real roots)
A. 1.5290785, 0.1350531, -1.2048938 B. 1.5290763, 0.1350528, -1.2048988 C. 1.5290785 D. 1.5290763, -1.2048988
Solve the problem.The parabola x2 = -20y is shifted 4 units up and 7 units to the left. Find the focus and directrix of the new parabola.
A. Focus: (-7, 9); Directrix: y = 9 B. Focus: (-7, -1); Directrix: y = 9 C. Focus: (7, -9); Directrix: y = -9 D. Focus: (-7, -1); Directrix: y = -1
Determine whether the argument is valid or invalid. You may compare the argument to a common form, if applicable, or use a truth table.r ? p
? p ? r
A. Invalid B. Valid
Provide an appropriate response.Rewrite in exponential form: log8 
= -2
What will be an ideal response?