Verify that the matrix is invertible and find its inverse.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 does not exist.
Answer: C
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Add and simplify.
A. 30
B. 9
C. 29
D. 28
Express the verbal representation for the function f symbolically.Cube the input x to obtain the output y.
A. y = x - 3 B. y = x3 C. y = 3x D. y = 3x
Solve the problem.The formula P = 0.62x2 - 0.049x + 2 models the approximate population, P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 24.026 thousand fish?
A. 2005 B. 2002 C. 2004 D. 2003
Solve the problem.The price p of a certain product and the quantity sold x obey the demand equation p = - 
x + 200, 0 ? x ? 300. Suppose that the cost C of producing x units is C = 
+ 800. Assuming that all items produced are sold, find the cost C as a function of the price p.
What will be an ideal response?