Which Statements describe the graph of a proportional relationship? Select all that apply

a. The y-intercept is always at the point (0,1).
b. The line always crosses the y-axis at (0,0).
c. The y-intercept is 0.
d. The y-intercept is 1.
e. The line does not cross the y-axis.

c.)

step-by-step explanation:

(a) common ratio in the given sequence is, 3

(b) push ups will do kendall do on the 20th week

step-by-step explanation:

geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio(r)

(a)

given the sequence: 6 , 18 , 54 , 162 ,

this sequence is geometric sequence where each term is 3 times the previous term.

therefore,

common ratio(r) = 3.

(b)

a formula for nth term of geometric sequence is given by;

,   where r is the common ratio between the successive terms and is the first term,

to find how many push ups will kendall do on the 20th week.

here. n = 20th term.

in the given sequence first term

then;

simplify:

therefore, push ups will do kendall do on the 20th week

answer is b  

20

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step-by-step explanation: