Graph the function by hand. Use the graph to (a) find the range, (b) give the interval over which the function is increasing, and (c) give the interval over which the function is decreasing. Round approximations to two decimal places.f(x) = 
A. (a) (-?, ?) (b) (-?, ?) (c) (-?, ?)
B. (a) (-?, ?) (b) (-?, ?) (c) None
C. (a) (-?, ?) (b) None (c) (-?, ?)
D. (a) (-6, ?) (b) (-?, ?) (c) None
Answer: B
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Solve the problems.A quality-control inspector examined 210 calculators and found 15 of them to be defective. At this rate, how many defective calculators will there be in a batch of 14,490 calculators?
A. 69 B. 5 C. 1,035 D. 3,150
Simplify the algebraic expression.-10.4 + 8.2x - 5.2 - 4.4x
A. 3.8x - 15.6 B. 3.8x - 5.2 C. -1.4x D. 4.8x - 15.6
Solve the equation by completing the square.a2 + 14a + 45 = 0
A. -5, -9
B. 5, 9
C. 54, -9
D. 
, - 
The polynomial is given in one of the three forms: standard, root, or factored. Change it to the specified form. f(x) = 7x2 + 44x - 35; write in factored form
A. f(x) = 7(x + 7)
B. f(x) = (x + 7)(7x - 5)
C. f(x) = 7(x - 7)
D. f(x) = (x - 7)(7x + 5)