The planet Jupiter has a diameter of approximately 9 x 104 miles. Earth has a diameter of about 7,918 miles. Jupiter's circumference is about 279,118 miles, and
Earth's circumference is about 24,875 miles.
Part A: Use the expression for the approximation of the diameter of Jupiter as a model
to write approximations of the diameter of Earth and the circumferences of Earth and
Jupiter.
Part B: Use your answers from Part A to estimate how many times as long the
diameter of Jupiter is as the diameter of Earth and how many times as long the
circumference of Jupiter is as the circumference of Earth.
Part C: Usually, the diameters and circumferences of spheres are in proportion to
each other. For example, if one sphere's diameter is three times as long an another
sphere's diameter its circumference is also three times as long. Why do you think the
diameters and circumferences you found for Earth and Jupiter are not like this?

Jupiter has a mean radius of 43,440.7 miles (69,911 kilometers), about a tenth that of the sun. However, its rapid rotation — it spins once every 9.8 hours — causes it to bulge at the equator, where the diameter is 88,846 miles (142,984 km). In contrast, the diameter at the poles is only 83,082 miles (133,708 km). This stretched shape is known as an oblate spheroid.

If you were to walk around the equator of Jupiter, you would travel 272,946 miles (439,264 km), over 10 times the distance around Earth's center line.

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options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.