Graph the integrand and use geometry to evaluate the integral.
A. 72
B. 18
C. 36
D. 12
Answer: C
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Solve the problem.A basement is flooded with 230 cubic feet of water. Water can be pumped out of the basement at a rate of 47 cubic feet of water per hour. Let f(t) represent the number of cubic feet of water that remains in the basement after t hours of pumping out water.i) Find an equation for f.ii) Find t when f(t) = 0. What does your result mean in terms of the situation?iii) What is the domain and range of the model? Explain.
What will be an ideal response?
A building's angle of elevation from a point on the ground 34 m from its base is 31°. Find the height of the building (to the nearest meter). ?
A. 8 m B. 20 m C. 29 m D. 57 m E. 18 m
Write the complex number in the form a + bi.4 + 
A. 4 + 4i
B. 4 - 4i
C. 4 + 4i
D. 4 + 4
Solve by addition or substitution. x + 9y = 592x + 9y = 64
A. (-5, 5) B. (6, 5) C. (5, 6) D. ?