Factor the trinomial, or state that the trinomial is prime.x2 + 6x - 55
A. (x + 11)(x - 5)
B. (x - 11)(x + 5)
C. prime
D. (x - 11)(x + 1)
Answer: A
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = +1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = +1; local maximum at x =-1; concave down on (0, ?); concave up on (-?, 0) C. Local maximum at x = +1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0) D. Local maximum at x = +1; local minimum at x =-1; concave up on (-?, ?)
Find the power of 10. Round answers to six decimal places.100.6494
A. 0.522359 B. 0.224182 C. 4.460669 D. 1.161288
Solve the problem.A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in the civic theater?
A. 1092 seats B. 1010 seats C. 1070 seats D. 790 seats
Evaluate -x for the given value of x.x = 0.506
A. 3.1416 B. -0.506 C. -3.1416 D. 0.506