Find the first term and the common ratio of the geometric sequence.1.4, -0.7, 0.35, -0.175, . . .
A. a1 = -0.5, r = -0.05
B. a1 = 0.5, r = 0.05
C. a1 = 1.4, r = -0.5
D. a1 = 1.4, r = 0.5
Answer: C
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Add or subtract.
+ 
- 
A. x + 7
B. x - 5
C. 
D. 
Write the expression in lowest terms.
A. 
B. -1
C. 1
D. - 
Use a graphing calculator to find f'(x) when x has the given value.f(x) = 6 ln|x|; x = 5
A. 0 B. 0.8333 C. 1.2 D. 7.2
Solve the problem.A coin is tossed upward from a balcony 186 ft high (h0) with an initial velocity (v0) of 
. Its height h after t seconds is given by the formula h(t) = -16t2 + v0t + h0. During what interval of time will the height of the coin be at least 90 ft?
A. The coin will be at a height of at least 90 feet for any time up to and including 1 sec. B. The coin will be at a height of at least 90 feet for any time up to and including 3 sec. C. The coin will be at a height of at least 90 feet for any time between and including 3 sec and 6 sec. D. The coin will be at a height of at least 90 feet for any time between and including 2 sec and 3 sec.