Use FOIL to multiply.(a - 7)(a - 8)

A. 2a2 - 56
B. a2 + 15a - 56
C. 2a + 56
D. a2 - 15a + 56


Answer: D

Mathematics

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Multiply the polynomials.(x - 4)4

A. x4 - 16x3 + 96x2 - 256x + 256 B. x4 - 16x3 - 128x2 - 256x + 256 C. x4 - 4x3 + 96x2 - 128x + 256 D. x4 - 16x3 + 96x2 + 16x + 256

Mathematics

Solve the problem.The function that models the consumption of a certain medication over the years 2000-2010 is where x is the number of years after 2000 and y is measured in grams per 100,000 people. Find the inverse of this function.

A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) =  - 224.10
D. f-1(x) = 115.21(x - 224.10)

Mathematics

Find u ? v.u = , v = 

A. 31 B. 100 C. -95 D. -92

Mathematics

Plot the given point in the rectangular coordinate system.(-2, 6) 

A.

B.

C.

D.

Mathematics