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