3 years ago

Evaluate the function rule for the given value f(x)=15x for x=3

Mathematics

2 answers:

lesya692 [45]3 years ago

7 0

Answer:

f(3) = 45

Step-by-step explanation:

Substitute x = 3 into f(x) and evaluate

f(3) = 15 × 3 = 45

aev [14]3 years ago

5 0

Step-by-step explanation:

Evaluate the function rule for the given value.

f(x) = 15x for x = 3

Substitute the value of x:

f(3) = 15·3

f(3) = 45 The answer is 45

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Anita and Joelle bowled together and their combined total score for one game was 425 points. Anita’s score was 40 less than twic

wariber [46]

Call Anita's score $"y"$ and Joelle's score $"x"$ .

1) "<span>their combined total score for one game was 425 points"
</span>Therefore $x+y=425$

2)"Anita’s score was 40 less than twice Joelle’s."
Therefore $y=2x-40$

Substitute:
$x+2x-40=425$

Solve:
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Backsubstitute:
$y=2x-40$
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TiliK225 [7]

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