Express the sum or difference as a product of sines and/or cosines.cos(10?) - cos(4?)
A. -2 sin(7?) sin(3?)
B. -2 cos(7?) sin(3?)
C. 2 cos(7?) cos(3?)
D. 2 cos(3?)
Answer: A
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The ratio of lime to sand in mortar is 7 to 4. How much lime must be mixed with 12 bags of sand to make mortar? ?
A. 7 bags B. 4 bags C. 21 bags D. 12 bags E. 5 bags
Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (8, 9) 8 < x < 9 B. [8, 9] 8 ? x ? 9 C. [8, 9) 8 ? x < 9 D. (8, 9] 8 < x ? 9
Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2, a = 8
A. P3(x) = 64 + 16(x - 8) + 24(x - 8)2 + 32(x - 8)3 B. P3(x) = 1 + 16(x - 8) + 24(x - 8)2 + 32(x - 8)3 C. P3(x) = 64 + 16(x - 8) + (x - 8)2 D. P3(x) = 1 + 128(x - 8) + 1536(x - 8)2 + 16,384(x - 8)3
Evaluate the expression for the given replacement values.y2 for y = -1.8
A. 3.24 B. -3.24 C. -32.4 D. -3.6