Simplify the expression.
?
What will be an ideal response?
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Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.G(x) = 
x4 - x3 + 14
A. Concave up for (2, ?), concave down on (-?, 2); inflection point (2, 10) B. Concave up for (-?, 0), concave down for (0, ?); inflection point (0, 14) C. Concave up on (-?, 0) ? (2, ?), concave down on (0, 2); inflection points (0, 14) and (2, 10) D. Concave up on (0, 2), concave down on (-?, 0) ? (2, ?); inflection points (0, 14) and (2, 10)
Provide an appropriate response.You are asked to change 5
to an improper fraction. What should be your first step?
A. Multiply 8 and 5. B. Divide 8 by 13. C. Multiply 13 and 5. D. Add 5 and 8.
Solve the problem.A ball is thrown vertically upward with an initial velocity of 192 feet per second. The distance in feet of the ball from the ground after t seconds is 
For what intervals of time is the ball less than 512 above the ground (after it is tossed until it returns to the ground)?
A. {x ? 4 sec < x < 8 sec} B. {x ? 0 sec < x < 3.5 sec and 8.5 sec > x > 12 sec} C. {x ? 0 sec < x < 5.5 sec and 6.5 sec > x > 12 sec} D. {x ? 0 sec < x < 4 sec and 8 sec > x > 12 sec}
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.x ? x9
A. x9 B. 2x10 C. 2x9 D. x10