How do you find the x-intercepts of a quadratic function in standard form given #f(x) = 2(x+1)^2 - 3#?
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"Suppose that I don't have a formula for #g(x)# but I know that #g(1)
= 3# and #g'(x) = sqrt(x^2+15)# for all x. How do I use a linear approximation to estimate #g(0.9)# and #g(1.1)#?"
1 Answer
Mar 29, 2018
Explanation:
This function is written in vertex form.
To find the x-intercepts, make f(x) = 0.
