Let f(x) = 4x - 3 and h(x) = -5x + 7 . F(-3) + h(2)
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Answer:
Step-by-step explanation:
Let y be the amount of water in the bottle x seconds after the faucet was turned on.
We have been given that the gauge on the bottle indicates that it contains 19 ounces of water after it has been filling for 5 seconds. After it has been filling for 11 seconds, the gauge indicates the bottle contains 37 ounces of water.
We have two points on the line and
.
Let us find slope of the line passing through these points.
We will write our required equation in slope-intercept form , where, m represents slope and b represents the y-intercept.
Let us find y-intercept by substituting and coordinates of point
in slope intercept form.
Therefore, our required equation would be .
Regardless of the sign of
On the other hand,
which can never be negative for real