First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = -12x2 - 2x - 4
A. x-intercepts: and
; y-intercept: -4
B. x-intercepts: - and -
; y-intercept: 4
C. No x-intercepts; y-intercept: -4
D. No x-intercepts; No y-intercepts
Answer: C
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Solve the problem.Find the dimensions of a rectangular garden with perimeter 62 yd and area 220 yd2.
A. 20 yd by 11 yd B. 10 yd by 11 yd C. 10 yd by 22 yd D. 20 yd by 22 yd
Find the missing angle measure.
A. 46° B. 56° C. 86° D. 124°
Graph the function by hand. Use the graph to (a) find the range, (b) give the interval over which the function is increasing, and (c) give the interval over which the function is decreasing. Round approximations to two decimal places.f(x) =
A. (a) [0, ?) (b) None (c) (-?, 4) B. (a) (-?, ?) (b) None (c) (-?, ?) C. (a) [0, ?) (b) {4} (c) (-?, 4) D. (a) (-?, 4) (b) None (c) (-?, 4)
Use the table of integrals or a computer or calculator with symbolic integration capabilities to find the integral.
A. ln
+ C
B. 8 sin-1 + C
C. ln
+ C
D. tan-1
+ C