Simplify by removing grouping symbols and combining like terms.4a - {6b - 4[a - (b + 5a)]}
A. 13a - 3b
B. 28a - 10b
C. 20a - 2b
D. -12a - 10b
Answer: D
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Perform the indicated operation.
A. 0 B. 7 C. 1 D. Undefined
Provide an appropriate response. The population of a small city of 123,000 was increased by 3.3% during the past year. What is the new population?
A. 1,270,590 B. 372,727 C. 4,059 D. 127,059
Solve.The function h = -16t2 + 16t + 272 gives the height h, in feet, of a coin tossed upward from a balcony 
high with an initial velocity of 16 ft/sec. During what interval of time will the coin be at a height of at least 80 feet?
A. [0, 1] B. [3, 4] C. [4, 8] D. [0, 4]
Find the slope-intercept form of the linear function f whose graph passes through the given pair of points. (-7, -3) and (-2, -7)
A. f(x) = - 
x - 
B. f(x) = - 
(x + 7) - 3
C. f(x) = 
x - 
D. f(x) = 
x + 