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3 years ago

10

The ancient Greeks were ultimately able to prove that the constructions they thought impossible were, in fact, impossible. A. Tr

ue B. False

2 answers:

adelina 88 [10]3 years ago

7 0

F.. took this test last week

STatiana [176]3 years ago

7 0

the answer on apex is false

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Find the equation of all tangent lines having slope of -1 that are tangent to the curve y=(9)/(x+1)

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$f(x)=\frac9{x+1}\\ f'(x)=-\frac9{(x+1)^2}\\ f'(x)=-1\ \iff\ -\frac9{(x+1)^2}=-1\ \to \ \frac9{(x+1)^2}=1\ \to \ (x+1)^2=9\\ |x+1|=3\ \to \ x+1=3\ \vee\ x+1=-3\\ x_1=2\ \vee\ x_2=-4\\ f(x_1)=f(2)=\frac9{2+1}=3\\ f(x_2)=f(-4)=\frac9{-4+1}=-3$

First tangent line:

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3 years ago

Read 2 more answers