Jessica solved for the correct value of a, but Sally's review was incorrect.
The function r =f(t) is f(t) = 1 - 8t/3
<h3>How to evaluate the function?</h3>
The function is given as:
3r + 8t = 3
Make r the subject
3r = 3 - 8t
Divide by 3
r = 1 - 8t/3
This means that:
f(t) = 1 - 8t/3
To calculate f(-3), we have:
f(3) = 1 - 8 * 3/3
Evaluate
f(3) = -7
Also, we have:
1 - 8t/3 = 2
Add 2 to both sides
-8t/3 = 3
Solve for t
t = -9/8
Read more about linear equations at:
brainly.com/question/14323743
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<u>Complete question</u>
Consider the relationship 3r+8t=3
Write the relationship as a function r = f(t)
Evalute f(-3)
Solve for f(t) = 2
The whole answer is 0.36363636
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