Provide an appropriate response.Consider the functions f(x) = 4x2 - 5x - 2 and g(x) = 5x2 - 8x. Find (f + g)(x).
A. 9x2 - 5x - 10
B. 9x4 - 13x2 - 2
C. 9x2 - 13x - 2
D. 9x4+ 13x2 + 2
Answer: C
Mathematics
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Solve the problem.A cylindrical container with a volume of 3? ft3 is to be made from two different materials. The material used for the ends costs three times as much as the material for the side. What are the dimensions of the container that minimize the cost of the materials?
A. r = 
ft; h = 
ft
B. r = 
ft; h = 4
ft
C. r = 
ft; h = 4
ft
D. r = 
ft; h = 3
ft
Mathematics
Find the average value of the function over the given interval.f(x) = 
on [-4, 4]
A. 1 B. 2 C. 16 D. 4
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.(-7 + 4i) + (12 + 5i)
A. 12 + 9i B. -5 + 9i C. 5 + 14i D. 5 + 9i
Mathematics
Multiply.× 
A. 203.544 B. 203.655 C. 203.644 D. 203.654
Mathematics