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Section 4.2

7. [0.5/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 4.2.046. 3/4 Submissions Used MY NOTES Determine where the function is concave upward and where it is concave downward. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) h(r) = 2 (r - 5) 2 concave upward concave downward Need Help? Read It3. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 4.4.018.MI. 3/4 Submissions Used MY NOTES Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = -x2 + 4x + 1 on [4, 7] maximum minimum Need Help? Read It Master It4. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 4.4.020. 3/4 Submissions Used MY NOTES Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) h(x) = x* + 3x- + 1 on [-3, 2] maximum minimum Need Help? Read It6. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 5.4.028. 2/4 Submissions Used MY NOTES Find the derivative of the function. 9(t) = 1+ +2 g '(t) = Need Help? Read It Watch It8. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 5.5.051. 2/4 Submissions Used MY NOTES Use implicit differentiation to find dy dx In(y) - 7x In(x) = -9 dy = dx Need Help? Read It Watch It. [0\" Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 5.5.050. 2M Submissions Used MY NOTES Use logarithmic differentiation to find the derivative of the function. Y : X|n(x) Need Help? _