Solve the problem.A cab company charges a base rate of $1.50 plus 15 cents per minute. Write an equation for the cost in dollars, y, of using the cab for x minutes.
A. y = 0.15x - 1.50
B. y = 1.50x - 0.15
C. y = 0.15x + 1.50
D. y = 1.50x + 0.15
Answer: C
Mathematics
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Solve the problem by integration.Find the area bounded by the x-axis, the curve 
and 
about the x-axis.
A. 
ln 
B. 2 ln 
C. ln 
D. ln 
Mathematics
Perform the indicated operation.
A. 0.72 B. 8.2 C. 72 D. 7.2
Mathematics
Solve.A vendor has learned that, by pricing hot dogs at $1.00, sales will reach 122 hot dogs per day. Raising the price to $1.50 will cause the sales to fall to 96 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. Write a linear equation that relates the number of hot dogs sold per day, y, to the price x.
A. y = -52x - 174
B. y = 52x + 70
C. y = - 
x + 
D. y = -52x + 174
Mathematics
Evaluate the triple integral.
A. 28 B. 23.2 C. 22 D. 26
Mathematics