Which is the personal pronoun in this sentence?
the carpenter and plumber both left their tools behind.
a.
behind
b.
both
c.
their
d.
the

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:

the answer is 1030 it's very simple math.