Applying the First Derivative Test In Exercises 19-40, (a) find the critical numbers of f , if any, (b) find the open intervals on which the function is increasing or decreasing, (c) apply the First Derivative Test to identify all relative extrema, and (d) use a graphing utility to confirm your results. f ( x ) = { 2 x + 1 , x ≤ − 1 x 2 − 2 , x > − 1
Applying the First Derivative Test In Exercises 19-40, (a) find the critical numbers of f , if any, (b) find the open intervals on which the function is increasing or decreasing, (c) apply the First Derivative Test to identify all relative extrema, and (d) use a graphing utility to confirm your results. f ( x ) = { 2 x + 1 , x ≤ − 1 x 2 − 2 , x > − 1
Solution Summary: The author explains that the function is differentiable on the complete number line f(x)= leftl2x+1
Applying the First Derivative Test In Exercises 19-40, (a) find the critical numbers of f, if any, (b) find the open intervals on which the function is increasing or decreasing, (c) apply the First Derivative Test to identify all relative extrema, and (d) use a graphing utility to confirm your results.
Use the properties of logarithms, given that In(2) = 0.6931 and In(3) = 1.0986, to approximate the logarithm. Use a calculator to confirm your approximations. (Round your answers to four decimal places.)
(a) In(0.75)
(b) In(24)
(c) In(18)
1
(d) In
≈
2
72
Find the indefinite integral. (Remember the constant of integration.)
√tan(8x)
tan(8x) sec²(8x) dx
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