Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A force of 4 pounds acts in the direction of 4° to the horizontal. The force moves an object along a straight line from the point (4, 8) to the point (19, 17), with distance measured in feet. Find the work done by the force. Round the answer to one decimal place, if necessary.
A. 95.8 ft-lb B. 17.5 ft-lb C. 70 ft-lb D. 69.8 ft-lb
Find a polar equation of the conic that has a focus at the pole and that satisfies the given conditions.Ellipse; vertices (6, 0) and (4, ?)
A. r = 
B. r = 
C. r = 
D. r = 
Evaluate without using a calculator.
?
What will be an ideal response?
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 + 10x
A. vertex (5, 25)
intercepts (0, 0), (10, 0)
B. vertex (-5, -25)
intercept (0, -50)
C. vertex (-5, 25)
intercepts (0, 0), (- 10, 0)
D. vertex (5, -25)
intercept (0, -50)