Factor the polynomial by grouping.4x2 + 7x - 15
A. (x - 3)(4x + 5)
B. (x - 5)(4x + 3)
C. (x + 3)(4x - 5)
D. prime
Answer: C
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Find the convergence set for the given power series. Hint: First find a formula for the nth term; then use the Absolute Ratio Test.
+ 
+ 
+ 
+ . . .
A. -3 < x < -1 B. 1 ? x ? 3 C. -3 ? x ? -1 D. All x
Evaluate the line integral along the curve C.
ds , C is the straight-line segment x = 0, y = 4 - t, z = t from (0, 4, 0) to 
A. 0
B. 8
C. 16
D. 16
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. - 
?
B. - 
?
C. - 
?
D. -(1 + 2
) ?
Solve the problem.After using a new order of typewriter ribbons, John's Office Services found that a new ribbon could be used to type 95 pages. This was a decrease of 13.5% of pages from the old ribbons. How many pages could John's Office Services type with an old ribbon? Round your answer to the nearest whole number.
A. 95 pages B. 125 pages C. 110 pages D. 101 pages