The Johnson family is trying to conserve energy by having ligh
minutes a day. If they have already used 30 minutes in one da
the number of minutes the Johnson's have remaining?
A.
x + 97 < 30
B.
x + 30 < 97
C.
x + 30 > 97
D. X + 97 > 30
1.com/ctw/test/print-practice-wor ksheet/a015a?packid=ac247fc&qgl ist

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:

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step-by-step explanation:

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a is the best answer choice