Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.-2x2 + 14x ? 12
A. (-?, 1] ? [7, ?)
| 1? | 7 |
B. (-?, 1] ? [6, ?)
| 1? | 6 |
C. (-?, -2] ? [7, ?)
| -2? | 7 |
D. (-?, -1] ? [6, ?)
| -1? | 6 |
Answer: B
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = 2x + 4, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Provide an appropriate response.Find a cofunction equivalent to cos 58°.
A. csc 32° B. sec 58° C. sin 32° D. sin 58°
Write the equation of the graph after the indicated transformation(s). The graph of y = 
is shifted 4 units to the left. Then the graph is shifted 9 units upward.
A. y = 
+ 9
B. y = 
+ 9
C. y = 9
D. y = 
+ 4
Solve the problem.Below is a diagram of a water slide. The slide is 24 ft long. The ladder leading to the slide is 21 ft long. How far is it from the end of the slide to the foot of the ladder? Round approximations to the nearest tenth. 
?
A. 5.8 ft B. 22.5 ft C. 67.5 ft D. 11.6 ft