Find the average rate of change of the function over the given interval. y = 
, [4, 7]
A. 7
B. - 
C. 2
D. 
Answer: B
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Evaluate the integral by using multiple substitutions.
dr
A. 
sin 
+ C
B. 
+ C
C. -sin 
+ C
D. 
sin 
+ C
Solve the problem.Marcus is planting a section of garden with tomatoes and cucumbers. The available area of the section is 110 square feet. He wants the area planted with tomatoes to be more than 
of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let 
to be planted in tomatoes and 
to be planted in cucumbers.
A. x + y ? 110 x > 40y x ? 0 y ? 0 B. x + y = 110 x ? 0.40y x ? 0 y ? 0 C. x + y ? 110 x < 0.40y x ? 0 y ? 0 D. x + y ? 110 x > 0.40y x ? 0 y ? 0
Solve.On a house plan, the floor area of a room measures 
in. by 
in. If 
in. is equal to 1 ft on the drawing, what are the actual dimensions of the room?
Fill in the blank(s) with the appropriate word(s).
Evaluate the function as indicated.Find f(-4) when f(x) = x2 - 2x - 6.
A. 2 B. 18 C. 30 D. 14