Find the positive zero of the function f(x)=x^2-5x-7. round your answer to two decimal places

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)

answer: the actual answer is a. good bank will have the least amount in fees per year.

the answer, i believe is y-8=1(x+4)