Factor the expression completely, if possible.x2 - 81
A. (x - 9)2
B. (x + 9)(x - 9)
C. (x + 9)2
D. Does not factor
Answer: B
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. The initial value of f is 2.9. Make a graph of f. Use a horizontal span of 0 to 5.
What will be an ideal response?
Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cot(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Identify the GCF of the group of terms.54x2, 45x3, and 72x4
A. 9x2 B. 9x C. 9x3 D. 9x4
Find the finance charge and total installment cost of the loan. Round to the nearest cent.Amount financed: $311.25Down payment: $103.75Cash price: $415.00Number of payments: 24Amount of payment: $23.26
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