Find the largest open interval where the function is changing as requested.Increasing y = (x2 - 9)2
A. (3, ?)
B. (-3, 3)
C. (-3, 0)
D. (-?, 0)
Answer: A
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Solve the problem.Use the graphs to find the value of (fg)(1).
A. 2 B. 3 C. 4 D. 6
Solve the inequality.4?x2 - 91x + 
> 0(Give approximations rounded to the nearest hundredth.)
A. (-?, 7.22) ? (0.02, ?) B. (-?, -7.22) ? (-0.02, ?) C. (-7.22, -0.02) D. (7.22, 0.02)
Solve the problem.A toilet manufacturer has decided to come out with a new and improved toilet. The fixed cost for the production of this new toilet line is $16,600 and the variable costs are $68 per toilet. The company expects to sell the toilets for $158. Formulate a function P(x) for the total profit from the production and sale of x toilets.
A. P(x) = 158x - 16600 B. P(x) = 90x - 16600 C. P(x) = 90x D. P(x) = 90x + 16600
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Irrational, 10.583 B. Rational, -10.583 C. Irrational, -10.583 D. Not a real number