The equation to find the slope is

now you have to use the point-slope formula

the equation of the line is
Answer:
The function of the heart is to pump blood throughout the body.
Answer:
It is correct
Step-by-step explanation:
The package weighs 30 ounces.
Step-by-step explanation:
Mailbox Plus charges;
Charges per ounce = $0.25
Let,
x be the number of ounces.
M(x)=5+0.25x
United packges charges;
Charges per ounce = $0.35
U(x) = 2+0.35x
Cost will be same when the functions are equal;
M(x) = U(x)

Dividing both sides by 0.10

The package weighs 30 ounces.
Keywords: functions, division
Learn more about division at:
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Answer:
linear
Step-by-step explanation:
The x-values all differ by 1, which is to say they are equally-spaced. The corresponding y-values all differ by -3. When (first) differences of equally-spaced values of y are constant, the function is of first degree, which is to say it is linear.
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If second differences are non-zero and constant, the function is of second degree, quadratic.