Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(4 + 7i) - (-3 + i)
A. 7 - 6i
B. -7 - 6i
C. 1 + 8i
D. 7 + 6i
Answer: D
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Provide an appropriate response.Graph the functions f(x) = 
and g(x) = 
together to identify the values of x for which 
Confirm your findings algebraically.
A. (-3, -1) ? (1, ?) B. (-?, -3) C. (-3, ?) D. (-1, 1) ? (1, ?)
Solve the problem.In 1995 the United States recovered 27% of its municipal wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data. Use this function to predict the percentage recycled in 2001.
A. 40.7% B. 39% C. 35.4% D. 37.1%
Find the indicated cross product.v = -5i - 5j, w = 2i + 5j + 5kFind v × w.
A. -25i + 10j + 15k B. -25i + 25j - 35k C. -25i + 25j - 15k D. -15i + 25j - 25k
Solve the problem.Your bank account has $84 in it when you write checks for $25, $10, and $21. You then deposit $22 and $59. How much is in the account? Are you overdrawn?
A. $130, no B. $109, no C. -$59, yes D. $59, no