Answer:
What was the temperature at 4 p.m. each day this week?
(I'm not sure how many answers you can choose.)
C. y=2(1/4)^x
B is just a linear functions and the other two aren't exponential functions
Answer: She has 40 nickels and 40 quarters .
Step-by-step explanation:
Let be "n" the number of nickels Theresa has and "q" the number of quarters Theresa has.
You know that she has a total of $12 in nickels and quarters. In cents, this is:

Then, based on this you can write the following expression:

Since
, you can rewrite it as:

Solving for "n", you get:

Therefore she has 40 nickels and 40 quarters .
10k^4+10k^3+8k^2+8k+10/k+1 not sure if this is what you are looking for or not hope it helps
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