Use calculus to find any critical points and inflection points of the given function. Then determine the concavity of the function and the intervals over which it is increasing/decreasing.f(x) = 7 ( 1 - e-x) for nonnegative values of x
A. Critical points: none
Inflection points: none
Concavity: concave up for all x ? 0
Decreasing: decreasing for all x ? 0
B. Critical points: none
Inflection points: none
Concavity: concave up for all x ? 0
Increasing: increasing for all x ? 0
C. Critical points: none
Inflection points: none
Concavity: concave down for all x ? 0
Increasing: increasing for all x ? 0
D. Critical points: none
Inflection points: none
Concavity: concave down for all x ? 0
Decreasing: decreasing for all x ? 0
Answer: C
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Graph the given numbers on a number line.
?
?
A.
B.
C.
D.
Find the requested partial derivative.(?w/?y)x if 
and 
A. 1 B. 10 C. 2 D. 5
Provide an appropriate response.Use the graphs of the linear functions to solve the problem. Write the linear system whose solution set is 
. Express each equation in the system in slope-intercept form. 
A.
| y = x - 2 |
x + 1B.
| y = x + 2 |
x - 1C. y = -
x + 2 y =
x + 1D. y = -
x + 2y = x - 2
Express the number in decimal notation.4.14 × 10-4
A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414