Find the maximum value of the objective function and where it occurs, subject to the indicated constraints.
?
Objective function:
?
?
z = 5x + 8y
?
Constraints:
?
x ? 0
y ? 0
x + 3y ? 15
4x + y ? 16
?
?
?
A. Maximum at (3, 4): 47
B. Maximum at (4, 0): 20
C. Maximum at (5, 0): 44
D. Maximum at (0, 5): 40
E. Maximum at (0, 0): 0
Answer: A
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.
?
A: If the skid marks are 224 feet long, how fast was the car going when the brakes were applied?B: If your speed doubles, how is the skid mark length affected?C: You are driving at 69 miles per hour. You wish to slow to a speed that will cut the length of potential skid marks in half (thus reducing the emergency stopping distance). What should be your new speed?
?
Round your answer to two decimal places if necessary.
?
What will be an ideal response?
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Factor completely.80 - 104x - 24x2
A. (8x + 40)(-3x + 2) B. -8(x - 5)(3x + 2) C. (x + 5)(-24x + 16) D. -8(x + 5)(3x - 2)
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Find sin
.
A.
B. -
C. -
D.