Question

The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5, 125) represent a function. What is a rule that represents this function?

Answer 1

A. y = x
B. y = 4x
C. y = x^2
D. y = x^3

Answer 2

hello

Answer 3

try the conditions one by one.
A says that both numbers in a bracket are equal. is this the case?

Answer 4

No, both numbers are not equal for each pair.

Answer 5

B says this: first number times 4 = second number
what about this one?

Answer 6

then C says that: first times first = second
and D says that: first times first times first = second
so check each possibility

Answer 7

So it's D?

Answer 8

@caroline1218 yes

Answer 9

Thank you :)

Answer 10

you're welcome :)

Answer 11

The ordered pairs contain x and y-values. (2,8) means x = 2, y = 8