Write a cost function for the problem. Assume that the relationship is linear.A moving firm charges a flat fee of $45 plus $40 per hour. Let C(x) be the cost in dollars of using the moving firm for x hours.
A. C(x) = 40x + 45
B. C(x) = 45x - 40
C. C(x) = 40x - 45
D. C(x) = 45x + 40
Answer: A
Mathematics
You might also like to view...
Solve the inequality. Graph the results.x - 6 < -9
A. x ? -3 
B. x < -3
C. x > -3 
D. x ? -3
Mathematics
Find the indicated root and express the answer in standard form.Fourth roots of -16
A. 2 + i, 2 - i, -2 + i, -2 - i
B. 8
+ 8i
, 8
- 8i
, -8
+ 8i
, -8
- 8i
C. 1 + i, 1 - i, -1 + i, -1 - i
D. 
+ i
, 
- i
, - 
+ i
, - 
- i
Mathematics
Combine like terms.9x - 5x + 4
A. 8x B. -4x + 4 C. 4x + 4 D. 14x + 4
Mathematics
Convert the angle in radians to degrees.- 
A. -60?°
B. -60°
C. -
°
D. -1°
Mathematics