The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).2x + 3y = 6
A. 2 sin ? + 3 cos ? = 6r
B. r(2 cos ? + 3 sin ?) = 6
C. 2 cos ? + 3 sin ? = 6r
D. r(2 sin ? + 3 cos ?) = 6
Answer: B
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Provide an appropriate response.Which of the following statements defines 
f(x) = ??I. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0 + ?.II. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 < x < x0 + ?.III. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0.
A. II B. III C. I D. None
Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest whole number.A cone with height 2 in. and radius 3 in.
A. 19 in.3 B. 38 in.3 C. 28 in.3 D. 13 in.3
Write the ordered pair for each point shown in the xy plane.
A. A = (1, 3), B = (5, 3) B. A = (5, 18), B = (3, -5) C. A = (1, 5), B = (3, -5) D. A = (1, 5), B = (-5, 3)
Write the sentence as an equation. Use x to represent "a number."If six times a number is increased by 9, the result is 51.
A. 6(x + 9) = 51 B. 9(6 + x) = 51 C. 9x + 6 = 51 D. 6x + 9 = 51