Answer:
A and B are functions
Step-by-step explanation:
for A, none of the x's repeat which makes it a FUNCTION
for B, when it starts with x^2, it will always be a FUNCTION (its a quadratic)
for C, 10 repeats for the x so it is NOT A FUNCTION
4+3(7+4 x 2)-100
4+3(7+8)-100
4+3(15)-100
4+45-100=
-51
Answer:
X=15
all you have to do is subtract 3 from 18 to get x
Answer:
P= 30 cm
Step-by-step explanation:
Formula for Rectangle Perimeter P=2(l+w)
P=2(10+5)
P=2(15)
P=30
