Write the expression for the general (or nth) term, an, of the arithmetic sequence. Then, find the indicated term of the arithmetic sequence.a = 98, d = -9; find an and a10
A. an = 98 - 9n, a10 = -28
B. an = 107 - 9n, a10 = -28
C. an = 107 - 9n, a10 = 17
D. an = 98 - 9n, a10 = 17
Answer: C
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Solve the absolute value equation.
= 8
A. {1, 17}
B. {17}
C. {±
}
D. {±1, ±
}
Find the intercepts of the quadratic function.f(x) = 4 + 5x + x2
A. x-intercepts: (1, 0) and (4, 0) y-intercept: (0, 4) B. x-intercepts: (-1, 0) and (-4, 0) y-intercept: (0, 4) C. x-intercepts: (-1, 0) and (-4, 0) y-intercept: (0, -4) D. x-intercepts: (1, 0) and (4, 0) y-intercept: (0, -4)
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -4x2 - 8x
A. minimum; - 4 B. minimum; 4 C. maximum; - 4 D. maximum; 4
Solve the problem. Express your answer in scientific notation, rounding as needed.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 
cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 2.0 × 10-30 bacteria B. 5.0 × 1031 bacteria C. 5.0 × 10-31 bacteria D. 2.0 × 1030 bacteria