Write the power of i as i, -1, -i, or 1.i8
A. -1
B. 1
C. -i
D. i
Answer: B
Mathematics
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Find the product.4ax4(9ax6 + 6x2)
A. 36a2x10 + 6x2 B. 36a2x10 + 24ax6 C. 36ax + 24x D. 36a2x10 + 24x6
Mathematics
Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = x9 on [0, 4]
A. 2?
dx
B. 
dx
C. 2?
dx
D. 2?
dx
Mathematics
Solve the problem.If you measure the circumference of a circle to be 20 inches, estimate the length of its radius. Use ? on your calculator and round to the nearest hundredth.
A. 3.18 in. B. 4.18 in. C. 6.37 in. D. 3.33 in.
Mathematics
Use the table to find the federal income tax.
A. $3960 B. $3953 C. $3968 D. $3499
Mathematics