For the given functions f and g, find the requested composite function.f(x) = x2 + 4, g(x) = x2 - 9;
Find (f ? g)(x).
A. x4 + 85
B. x4 - 18x2 + 85
C. x4 + 8x2 + 7
D. x4 + 7
Answer: B
Mathematics
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Write the inequality in words.
-3 < x < -2 A) x is between -3 and -2 B) x is between -3 and -2, including -2 C) x is between -3 and -2, including -3 D) x is between -3 and -2, including -3 and -2 E) x is greater than -3
Mathematics
Convert the base-ten number to a number in the indicated base.12 to base six
A. 36six B. 20six C. 8six D. 24six
Mathematics
Find the composition. If f(x) = x2 - 5 and g(x) = x2 - 8, find (g ? f)(x).
A. x2 + 59 B. x4 - 10x2 + 17 C. x2 + 17 D. x4 - 16x2 + 59
Mathematics
Find the indicated partial sum for the sequence.729, -2187, 6561, -19,683, . . . ; S6
A. -132,678 B. -88,938 C. 265,356 D. -177,147
Mathematics