Is (1, 4) a solution to the equation y = 7x?

No.

Step-by-step explanation:

No because if we substitute the given values into the equation they do not fit:

y = 7x

x = 1 and y = 4:

Left side = 4

right side = 7*1 = 7.

d

step-by-step explanation:

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: