7b(a+2)-(3b+3)
remove brackets and collect like terms ​

7ab+11b−3

Step-by-step explanation:

simplify step-by-step.

7b(a+2)−(3b+3)

Distribute the Negative Sign:

=7b(a+2)+−1(3b+3)

=7b(a+2)+−1(3b)+(−1)(3)

=7b(a+2)+−3b+−3

Distribute:

=(7b)(a)+(7b)(2)+−3b+−3

=7ab+14b+−3b+−3

Combine Like Terms:

=7ab+14b+−3b+−3

=(7ab)+(14b+−3b)+(−3)

=7ab+11b+−3

yes

step-by-step explanation:

give me the question

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yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value