Find the derivative of f at the given point.f(x) = x2 + 5x at x = 4
A. 9
B. 21
C. 13
D. 3
Answer: C
Mathematics
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Find the divergence of the field F.F = 7x5i + 2xyj - 8xzk
A. 35x4 - 6x B. 35x4 - 6x + 29 C. 29 D. 35x4 + 2y - 8z
Mathematics
Solve the problem.In how many ways can a group of 7 students be selected from 8 students?
A. 56 B. 1 C. 7 D. 8
Mathematics
Divide. Round your answer to the nearest hundredth when necessary.2 ÷ 5
A. 0.4 B. 4 C. 1.4 D. 14
Mathematics
Solve.Explain why a tire with a smaller diameter would wear down faster than a tire with a larger diameter if driven similarly.
What will be an ideal response?
Mathematics