Factor by grouping.12x2 + 8x - 15x - 10
A. (4x - 5)(3x + 2)
B. (4x + 5)(3x - 2)
C. (12x + 5)(x - 2)
D. (12x - 5)(x + 2)
Answer: A
Mathematics
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Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2 + x + 1, a = 2
A. P3(x) = 7 + 5(x - 2) + 5(x - 2)2 + 7(x - 2)3 B. P3(x) = 1 + 3(x - 2) + 3(x - 2)2 + (x - 2)3 C. P3(x) = 3 + 5(x - 2) + 7(x - 2)2 D. P3(x) = 7 + 5(x - 2) + (x - 2)2
Mathematics
Given the function, find the indicated value.f(x) = 8 - 5x2; f(-4)
A. 48 B. -72 C. 28 D. 88
Mathematics
Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
List the critical values of the related function. Then solve the inequality.
? 
A. 4; (-?, 4] B. No critical values; (-?, ?) C. 8; [8, ?) D. No critical values; ?
Mathematics