Select all that apply.
which of the following statements are true of functions?
3 answers!
functions can be graphed
each input in a function has one output
functions are equations with one solution
function values can be shown on an input/output table
functions can have only one variable

answer:

functions can be graphed.

each input in a function has one output.

function values can be shown on an input/output table.

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.