Factor the binomial completely. If it is prime, say so.64x2 - 81
A. (8x - 9)2
B. (8x + 9)2
C. (8x + 9)(8x - 9)
D. Prime
Answer: C
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Graph the equation.-x = -9y + 2
A. 
B. 
C. 
D. 
Find the location of the indicated absolute extrema for the function.Maximum
A. (3, 1) B. (1, 3) C. None D. (0, 0)
Solve the problem.The electric charge q, in Coulombs, passing a given point in a circuit is given by 
where t is the time in seconds. Find the current i as a function of t 
A. 
= csc (0.4t2 + 2) - 0.8t2 csc (0.4t2 + 2) tan (0.4t2 + 2)
B. 
= csc (0.4t2 + 2) + 0.8t2 sec (0.4t2 + 2) cot (0.4t2 + 2)
C. 
= csc (0.4t2 + 2) - 0.8t2 csc (0.4t2 + 2) cot (0.4t2 + 2)
D. 
= csc (0.4t2 + 2) -t csc (0.4t2 + 2) cot (0.4t2 + 2)
Write the number in scientific notation.8,741,670
A. 8.74167 × 10-6 B. 8.74167 × 101 C. 8.74167 × 106 D. 8.74167 × 107