Solve the problem.The sum of two numbers is 33 and their difference is 7. Find the numbers.
A. 27 and 6
B. 11 and 22
C. 13 and 20
D. 22 and 29
Answer: C
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Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 43 mph.
A. 10.6 mph B. 5.3 mph C. 4.3 mph D. 44 mph
Provide an appropriate response.Simplify the following; express your answer with no radical in the denominator: 
What will be an ideal response?
Solve the problem.The daily profit for a product is given by P = 36x - 0.02x2 - 1600, where x is the number of units produced and sold.a. Graph this function for x between 0 and 2100.b. Describe what happens to the profit of this product when the number of units produced is between 1 and 900. What happens after 900 units are produced? c. Is the graph of this function concave up or down?
A.
a.
b. The profit decreases.; The profit increases.
c. The graph is concave up.
B. a.
b. The profit decreases.; The profit increases.
c. The graph is concave down.
C. a. 
b. The profit increases.; The profit decreases.
c. The graph is concave up.
D. a.
b. The profit increases.; The profit decreases.
c. The graph is concave down.
Solve the equation.
log9 x = log9 6
A. 
B. {12}
C. {36}
D. {
}