Graph the function.f(x) = ?4 - x?

A.

B.

C.

D.


Answer: B

Mathematics

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Solve the problem.In a state with a population of 7,000,000 the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Express answer in scientific notation.

A. $4.2 × 109 B. $42 × 1011 C. $42 × 1010 D. $4.2 × 1010

Mathematics

Solve.r(r - 14) = -49

A. 49, 7 B. 7 C. -7 D. -7, 7

Mathematics

Solve.A rectangular box with volume 374 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.

A. C(x) = 3x2 + 
B. C(x) = 4x + 
C. C(x) = 3x2 + 
D. C(x) = 2x2 + 

Mathematics

Find the inverse of the matrix, if it exists. 

What will be an ideal response?

Mathematics