Solve the problem.
The graph of y = f(x) gives the speed limit y along a rural highway after traveling x miles. (i) What are the maximum and minimum speed limits along this stretch of highway? (ii) Estimate the miles of highway with a speed limit of 50 miles per hour.
A. Maximum 65 mph; minimum 25 mph; 22.5 miles
B. Maximum 70 mph; minimum 20 mph; 15 miles
C. Maximum 60 mph; minimum 35 mph; 20 miles
D. Maximum 60 mph; minimum 25 mph; 20 miles
Answer: D
Mathematics
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Determine the slope and the y-intercept. Then graph the equation.y = 
x + 5
A. slope: - 
; y-intercept: (0, 5)
B. slope: 5; y-intercept: 
C. slope: -5; y-intercept: 
D. slope: 
; y-intercept: (0, 5)
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Solve the formula for the indicated variable.F = 
C + 32
for C
A. C = 
B. C = 
(F - 32)
C. C = 
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(F - 32)
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Simplify the decimal expression.89.57 + 5.049 + 2.265 + 6.14
A. 103.024 B. 103.034 C. 103.124 D. 104.024
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