Determine if the given ordered pair is a solution to the equation.x = 
y - 1, (6, 54)
A. Yes
B. No
Answer: B
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The profit P, in thousands of dollars, for a certain company depends on the number n of items produced. The relationship is given by
?
.
?
A: Plot the graph of the profits versus number of items produced.B: What number of items produced will result in maximum profit?C: The marginal profit is the rate of change 
. What is the value of at the production level you found in part B?
What will be an ideal response?
Solve.The function h(t) = -16t2 + 160t - 384 gives the height h, in feet, of a flare fired from the bottom of a gorge 
deep with an initial velocity of 
The flare fired is visible only when it is above the rim. During what interval can the flare be seen?
A. 4 < t < 6 B. 8 < t < 10 C. 12 < t < 14 D. 0 < t < 4
Solve the problem.What are the x-intercepts of the graph of f(x) = 4 cos2 x - 3 on the interval [0, 2?]?
A. 
, 
, 
, 
B. 
, 
C. 
, 
D. 
, 
, 
, 
The graph of a function f is given. Use the graph to answer the question.What is the y-intercept?
A. 14 B. 20 C. -12 D. -16