Write the first four terms of the geometric sequence with the given first term, a1, and common ratio, r.a1 = 7; r = 
A. 7, 28, 112, 448, . . .
B. 7, 
, 
, 
, . . .
C. 
, 
, 
, 
, . . .
D. 7, 
, 
, 
, . . .
Answer: B
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The theory of maximum sustainable yield says that a renewable resource that grows logistically should be harvested at the carrying capacity.
Answer the following statement true (T) or false (F)
Use the table to solve the problem.The cost in dollars of driving a certain make and model of car for x miles is given by the function f. A numerical representation of f is given in the following table. 
If the cost is $0.98, how many miles have been driven?
A. 3 miles B. 1 miles C. 2 miles D. 4 miles
Perform the indicated operations. Assume variables represent positive real numbers.(m1/8 + m-1/8)(m-1/8 - m1/8)
A. -m1/4 + m-1/4 B. 1 - m1/4 + m-1/4 - m C. m - m1/4 + m -1/4 - 1 D. m1/4 - m-1/4
Solve the system of equations.x + 2y + 2z + w = -4.5x +y + z + w = -0.5
A. (w + 3.5, z - 4, -z, -w) B. (-w + 3.5, -w - 4, w, w) C. (-w + 3.5, -z - 4, z, w) D. (-w + 4, -z - 4.5, z, w)