Find the coordinates of the vertex and x-intercepts for the quadratic function.f(x) = -x2 - 8x
A. vertex (4, -16)
intercept (-32, 0)
B. vertex (-4, -16)
x-intercept (-32, 0)
C. vertex (4, 16)
x-intercepts (0, 0), (8, 0)
D. vertex (-4, 16)
x-intercepts (0, 0), (-8, 0)
Answer: D
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Multiply the polynomials.(x + y)(x2 - 6xy - y2)
A. x3 - 5x2y - 7xy2 - y3 B. x3y - 6x2y - xy3 C. x3 - 6x2y - xy2 D. x3 - 6x2y - 6xy2 - y3
Find the indicated composite for the pair of functions.Given f(x) = 
and g(x) = 
, find (f?g)(x).
A. 
B. 
C. 
D. 
Perform the indicated operations. (Remember that the order of operations is to multiply or divide from left to right.)
÷ 
÷ 
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest tenth of a percent unless otherwise noted. The graph below shows a certain country's peanut production in thousands of pounds for the years 2004, 2006, 2008, 2010, and 2012. Find the percent increase in peanut production from 2004 to 2006.
A. 0.6640% B. 66.4% C. 0.5700% D. 57%