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anonymous
 4 years ago
Which of the following is an equation of the line tangent to the graph of f(x)=x^4+2x^2 at the point where f'(x)=1 ?
A) y= 8x5
B)y=x+7
C) y=x+0.763
D) y=x0.122
E)y=x2.146
anonymous
 4 years ago
Which of the following is an equation of the line tangent to the graph of f(x)=x^4+2x^2 at the point where f'(x)=1 ? A) y= 8x5 B)y=x+7 C) y=x+0.763 D) y=x0.122 E)y=x2.146

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amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0since f'(x) = 1 thats the slope of the line, so A is out by default next thing to do is to determine at which point f'(x) = 1 by taking the derivative of f(x) and solving it.
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