Find the specified vector or scalar.u = -2i - 2j, v = 8i + 7j; Find u - v.
A. 6i + 5j
B. -11i + 5j
C. -10i - 9j
D. -12i + 5j
Answer: C
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Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 4x3 + 2x2 - 4x + 1; i
A. -i, 1 + 
, 1 - 
B. -i, -2 + 
, -2 - 
C. -i, 2 + 2
, 2 - 2
D. -i, 2 + 
, 2 - 
Estimate. Then find the actual quotient.
A. Estimate: 600; Actual: 620 r18 B. Estimate: 60,000; Actual: 62,000 r18 C. Estimate: 6000; Actual: 6200 D. Estimate: 6000; Actual: 6200 r18
Find the value for the function.Find f(x + h) when f(x) = 2x2 + 3x - 1.
A. 2x2 + 4xh + 2h2 + 3x + 3h - 1 B. 2x2 + 2xh + 2h2 + 3x + 3h - 1 C. 2x2 + 2h2 + 7x + 7h - 1 D. 2x2 + 2h2 + 3x + 3h - 1
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 29 watches B. 40 watches C. 20 watches D. 59 watches