Question

Let f(x) = - √x+ 7. The y-intercept of f(x) is _____ and the zero is _____.

A. (√7, 0); x =-7
B. (0, 7); x = -49
C. (0, 7); x = 49
D. (0, -7); x = 49
E. (0, 0); x = -√7

Answer 1

First to find the x-intercept set y=0

Answer 2

So how would you plug in y?

Answer 3

\[0=-\sqrt{x}+7\]
solve for x to get the intercept(s)

Answer 4

\[-7=-\sqrt{x}\]
\[7=\sqrt{x}\]
\[49 = x\]
Right?

Answer 5

0-7=-7

Answer 6

That's not right thank u

Answer 7

The y-intercept is 49