In a exponential growth or decay model, is it possible to use irrational numbers for r and still get a normal exponential growth/decay? And what scenario would r be an irrational number?

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm