18. Explain the Error Thomas used (7, 17.5) and (18,45) from a graph to find
the equation of a linear relationship as shown. What was his mistake?
m= 145-17.5 = 3:= 79
y=79x + b
45 = 79. 18+
45 = 1422 +6, so b = -1377
The equation is y=79x - 1377.
146 Unit 2

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

answer: 5

step-by-step explanation:

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation:

think the answer would beb