Use the graph of the function to find the following: a. the domain and range of the function; b. the intercepts, if any; c. the intervals on which the function is increasing, decreasing, or is constant; d. whether the function is even, odd, or neither.
What will be an ideal response?
a. Domain: [-2, ?); Range: [-2, ?)
b. x-intercepts: - , 2, 4; y-intercept: 2
c. increasing on (-2, -1), constant on (-1, 1), decreasing on (1, 3), increasing on (3, ?)
d. Neither even nor odd.
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Multiply. Write the answer in simplest form.2 ? 4
A. 6
B. 8
C. 8
D. 8
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-5a2 - 21ab - 4b2
A. -(a - 4b)(5a + b) B. -(a + b)(5a + 4b) C. (a - 4b)(5a + b) D. -(a + 4b)(5a + b)
Multiply. Assume all variables represent nonnegative real numbers.(5
-
)
A. 5 - 6
B. 5 - 6
C. 4
D. 5 - 6
Use the accompanying graph of a particle moving on a coordinate line with velocity v = f(t) in ft/sec at time t seconds. The axes are marked off at one-unit intervals. Use these terms to describe the motion state: moving forward/backward, increasing/decreasing speed, and resting. Recall that speed = .
Give the interval(s) when the particle is at rest.
A. (8, 21) B. (8, 11), (19, 21), and (25, 26) C. (11, 19) D. The particle is never at rest.