Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 + 2x - 6
A. maximum; - 7
B. minimum; - 1
C. minimum; - 7
D. maximum; - 1
Answer: C
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Solve the problem.Rachael biked at 11 mph for a time but got a flat tire. She then walked at 4 mph. She traveled a total of 52 miles. Had she biked the whole time, she would have gone 66 miles. How many hours did she walk?
A. 2 hr B. 3 hr C. 4 hr D. 1 hr
Find the first four terms of the binomial series for the given function.(1 + 9x)1/3
A. 1 + 3x + 9x2 + 27x3 B. 1 + 3x - 9x2 + 27x3 C. 1 - 3x + 27x2 - 45x3 D. 1 + 3x - 9x2 + 45x3
Factor: 2x2 + 9x + 9
a. (x + 3)(2x - 3) b. (2x + 3)(x + 3) c. (x + 1)(2x + 9) d. (2x - 18)(x + 9) e. (2x - 3)(x - 3)
Use a calculator to find a decimal approximation for the indicated function value. Round your answer to four decimal places.cot (-578°)
A. -1.2800 B. -2.4751 C. -7.1155 D. -0.7813