Find the sum.-15 + (-19)
A. -35
B. 34
C. -34
D. -4
Answer: C
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Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first five terms of the geometric sequence: 
, 
, 
, . . . .
A. 
B. 
C. 
D. 
Solve using the problem-solving strategy for systems of linear equations.Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 12 feet more than 4 times the width. He needs 74 feet of fencing to do the job. Find the length and width of the garden.
A. length: 36 ft; width: 6 ft
B. length: 61
ft; width: 12
ft
C. length: 28 ft; width: 4 ft
D. length: 32 ft; width: 5 ft
Determine where the function is increasing and where it is decreasing.f(x) = x2 - 4x + 3
A. increasing on (-?, 2) decreasing on (2, ?) B. increasing on (-1, ?) decreasing on (-?, -1) C. increasing on (2, ?) decreasing on (-?, 2) D. increasing on (-?, -1) decreasing on (-1, ?)
Eliminate the parameter to obtain a Cartesian equation of the curve.x = et, y = e-t, -? < t < ?
A. y = ex, -? < x < ? B. y = e-ln x, 0 < x < ? C. y = e-x, -? < x < ? D. y = eln x, 0 < x < ?