Graph the solution set of the system.2x + y ? 4  x - 1 ? 0

A.

B.

C.

D.


Answer: C

Mathematics

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Find the inverse of the function.f(x) = 

A. f-1(x) =  + 8, x ? 0

B. f-1(x) =  
C. f-1(x) = 2, x ? 0
D. f-1(x) =  , x ? 0

Mathematics

Solve the equation. = 5

A.
B. 25
C. 5
D.

Mathematics

Given that the polynomial function has the given zero, find the other zeros.f(x) = x3 - 64; 4

A. -1 + 2i, -1 - 2i
B. -2 + i, -2 - i
C. -2 + 2i, -2 - 2i
D. -2 + 4i, -2 - 4i

Mathematics

There is exactly $10,000 in a trust fund that is to be invested among three types of bonds, A, B, and C, which yield 5%, 6%, and 7%, respectively, on the investment. The total yield must be at least $600, no less than $3000 may be invested in B bonds, and no more than $2000 may be invested in A bonds.If x and y represent the amounts invested in A and B bonds, then the maximum possible yield is

A. $670. B. $700. C. $600. D. $630. E. none of these

Mathematics