Solve the problem.Suppose y = mx + b is a mathematical model for actual time as a function of estimated time, where y represents actual time and x represents estimated time and m and b are constants. If m = 1.9 and b = -2.5, find y when x is 120 min.
A. 115.25 min
B. 124.75 min
C. 225.5 min
D. 230.5 min
Answer: C
Mathematics
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For the function shown in the graph, find the indicated function value and limit.Find f(0) and 
f(x).
A. 0; 0 B. 0; does not exist C. Does not exist; does not exist D. Does not exist; 0
Mathematics
Factor by any method.4x2 - 4y2
A. (2x + y)(2x - y) B. 2(x + y)(x - y) C. 4(x + y)(x - y) D. 4(x - y)2
Mathematics
Provide an appropriate response.Find integers m and n such that mn = 15 and m + n = 8.
A. 5, 8 B. -5, 3 C. 5, 3 D. -5, -3
Mathematics
Solve the problem.Jay drove 264 kilometers at the average rate of 66 kilometers per hour. How long did the trip take?
A. 5 hours
B. 
hour
C. 4 hours
D. 3 hours
Mathematics