If x
=
5
and
y
=
4
, evaluate the following expression:
3
x
²
+
3
x
y
+
y
²

Step-by-step explanation:

3x²+3xy+y²

3×5²+3×5×4+4²

3×25+60+16

75+60+16

151

hope it help u

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: