Find the best buy (based on cost per unit).There are 3 available long distance calling cards. ABC Phone charges $.01 per minute and a $0.46 connection charge.Bozo's Telecom charges $.025 per minute and a $0.12 connection charge.BT&T charges $.06 per minute and no connection charge.Which company has the best buy for a 15 minute phone call?
A. ABC Phone
B. BT&T
C. Not enough information
D. Bozo's Telecom
Answer: D
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Find the relative extrema of the function and classify each as a maximum or minimum.f(x) = x3 - 9x2 + 5
A. Relative maximum: (0, 5) B. Relative maximum: (0, 5); relative minimum (6, -103) C. Relative maximum: (-3, 113); relative minimum (3, -49) D. Relative minimum: (0, 5); relative maximum: (6, -49)
Add.-6 + 10
A. -16 B. -4 C. 4 D. 16
The graph of a function f is given. Use the graph to answer the question.For which of the following values of x does f(x) = 4?
A. 4 B. 14 C. 10 D. 8
State the name of the property illustrated.9 ? (16 ? 6) = (16 ? 6) ? 9
A. Distributive property of multiplication over addition B. Associative property of multiplication C. Identity property of multiplication D. Commutative property of multiplication