Factor completely using the ac method. If prime, so state.3x2 + 10x - 8
A. (3x - 2)(x + 4)
B. (3x + 4)(x - 2)
C. prime
D. (3x + 2)(x - 4)
Answer: A
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Use the table to find the indicated limit.If f(x) = 
- 2, find 
f(x).
A. 
; limit = ?
B. 
; limit = 0.0
C. 
; limit = 1.95
D. 
; limit = 1.50
Solve the problem.
The graph of y = f(x) depicts the amount of cash y in dollars that a bank teller has at his station after x minutes. (i) Determine the initial and final amounts of cash at the teller station. (ii) How many deposits occurred during this time period?
A. $800, $400; 2 B. $800, $300; 0 C. $700, $450; 1 D. $800, $400; 1
Find an equation of variation in which y varies directly as x and the following is true.y = 0.9, when x = 0.5
A. y = 
x
B. y = 
x
C. y = 
D. y = 0.9x
Solve.A supporting wire is to be attached to the top of a 39-foot antenna. If the wire must be anchored 39 feet from the base of the antenna, what length of wire is required?
A. 39
ft
B. 39 ft
C. 78 ft
D. 3042 ft