The function f(x)=(5+x)^2+1 is increasing throughout the interval

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The function f(x)=(5+x)^2+1 is increasing throughout the interval

a.1

b. negative infinity

c. -5

d. negative infinity

THANKS

mrlevan3 Dec 5, 2017

edited by mrlevan3 Dec 5, 2017

+9465

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Best Answer

f(x) = (5+x)^2 + 1

This is a parabola that opens upward, with its vertex at (-5, 1) .

So f(x) is increasing (the slope is positive) for every x value in the interval (-5, ∞)

hectictar Dec 5, 2017

hectictar · Answer 1 · 2017-12-05T11:06:54

f(x) = (5+x)^2 + 1

This is a parabola that opens upward, with its vertex at (-5, 1) .

So f(x) is increasing (the slope is positive) for every x value in the interval (-5, ∞)