Find the area of the surface generated when the given curve is revolved about the x-axis. y = 
on 
A. 7?
B. 8?
C. ?
D. 6?
Answer: A
Mathematics
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Compute the gradient of the function at the given point.f(x, y) = cos -7?x + sin 6?y, p = 
A. 6?j B. -7?i + 6?j C. 7?i + 6?j D. 7?i - 6?j
Mathematics
Determine the values of x for which the function is differentiable.y = 
A. Differentiable for x > -6 B. Differentiable for all real numbers except 6 C. Differentiable for x ? 6 D. Differentiable for x > 6
Mathematics
Solve the problem.Jason is paid $500 per month plus a commission of 4% of the first $2500 of his sales, and 6% of his sales over $2500. Last month his sales totaled $21,950. Find Jason's gross pay for the month.
A. $1767 B. $1917 C. $4012 D. $2695
Mathematics
Find all positive values of u for which the series  FIGURE 1.png)
converges. Select the correct answer.
 multiple choice.png)
Mathematics