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Find a First-Degree Polynomial Function P1 Whose Value and Slope ff

Question 63

Multiple Choice

Find a first-degree polynomial function P1 whose value and slope agree with the value and slope of ff at x=cx = c . What is P1P _ { 1 } called?
f(x) =4x3,c=27f ( x ) = \frac { 4 } { \sqrt [ 3 ] { x } } , c = 27


A) y=43+4243(x27) ;y = \frac { 4 } { 3 } + \frac { 4 } { 243 } ( x - 27 ) ; tangent line to y=f(x) y = f ( x ) at x=27x = 27
B) y=434243(x27) y = \frac { 4 } { 3 } - \frac { 4 } { 243 } ( x - 27 ) ; secant line to y=f(x) y = f ( x ) at x=27x = 27
C) y=43+4243(x27) ;y = \frac { 4 } { 3 } + \frac { 4 } { 243 } ( x - 27 ) ; secant line to y=f(x) y = f ( x ) at x=27x = 27
D) y=43+4243(x+27) y = \frac { 4 } { 3 } + \frac { 4 } { 243 } ( x + 27 ) ; secant line to y=f(x) y = f ( x ) at x=27x = 27
E) y=434243(x27) y = \frac { 4 } { 3 } - \frac { 4 } { 243 } ( x - 27 ) ; tangent line to y=f(x) y = f ( x ) at x=27x = 27

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