Solve the problem.A moving firm charges a flat fee of $40 plus $35 per hour. Let y be the cost in dollars of using the moving firm for x hours. Find the slope-intercept form of the equation.
A. y = 40x + 35
B. y = 35x - 40
C. y = 40x - 35
D. y = 35x + 40
Answer: D
Mathematics
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Use the table to find the indicated limit.If f(x) = x2 + 8x - 2, find 
f(x). 
A. 
; limit = ?
B. 
; limit = 18.0
C. 
; limit = 17.70
D. 
; limit = 5.40
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 
A. 
B. 
C. 
D. 
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Graph the polar equation.r = 2 cos ?
A. 
B. 
C. 
D. 
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Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of a solution that is 
acid.
A. No solution B. 23 cm3 of 6%; 27 cm3 of 10% C. 50 cm3 of 6%; 50 cm3 of 10% D. 4.08 cm3 of 6%; 45.92 cm3 of 10%
Mathematics