X2 + 18 = 67
whats the answer?

7

Step-by-step explanation:

+ 18 = 67

You first need to subtract 18 from both sides:

+ 18 = 67

    - 18    -18

_________

= 49

To get rid of the square, you need to square root both sides:

= 49

This leaves you with:

x = 7

the correct answer to your question is a. 4^4

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation: