Evaluate as requested.A graph of a function g is shown below. Find g(1.5).
A. 2.1
B. -4.0656
C. 3.9375
D. -1.5
Answer: C
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Solve.From a 40-inch by 40-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x. Give the function and state its domain.
A. V = 4x3 - 160x2 + 1600x: x < 40 B. V = 4x3 - 160x2 + 1600x: 0 < x < 20 C. V = 2x3 - 120x2 + 40x: 0 < x < 20 D. V = 2x3 - 120x2 + 1600x: x >0
Solve the problem.Jane borrowed $28,340 over 1.2 years. The simple interest has a rate of 11% pear year. What is the maturity value of the loan?
A. $35,198.28 B. $31,769.14 C. $32,080.88 D. $30,308.88
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).3 - 3
i
A. 6(cos 300° + i sin 300°) B. 6(cos 150° + i sin 150°) C. 3(cos 330° + sin i 330°) D. 3(cos 330° + i sin 330°)
Solve the application problem.If h = -16t2 + 96t represents the height of a firework, in feet, t seconds after is was fired, when will the firework be 144 feet high?
A. -3 sec B. 48 sec C. 3 sec D. 9 sec