Use the sequence feature of a graphing calculator to evaluate the sum of the first 10 terms of the arithmetic sequence. Round to the nearest thousandth, if necessary.an = 3.6n + 8.83
A. 286.3
B. 41.23
C. 241.47
D. 44.83
Answer: A
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Determine if the graph of the function is concave up or concave down.y = -x2 + 1
A. Concave up B. Concave down
Determine whether the expression is a polynomial. If it is, state how many terms and variables the polynomial contains. Then state its degree.2y3 - 4y2 - y
A. Yes; 3; 2; 2 B. No C. Yes; 3; 1; 3 D. Yes; 3; 2; 7
Find the x- and y-intercepts of the graph of the equation. 9x2 + y2 = 9
A. x-intercepts: -1, 1; y-intercepts: -9, 9 B. x-intercepts: -1, 1; y-intercepts: -3, 3 C. x-intercepts: -3, 3; y-intercepts: -1, 1 D. x-intercepts: -9, 9; y-intercepts: -1, 1
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = (x - 4)(x + 9)
A. y-axis B. x-axis C. origin D. x-axis, y-axis, origin E. none