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Aleks04 [339]
3 years ago
5

Evaluate 5 c - 3 d+11 when c= 7 and d= 8

Mathematics
2 answers:
kotykmax [81]3 years ago
8 0
5x7-3x8+11
35-24+11
11+11
The answer is 22
kumpel [21]3 years ago
6 0
The answer is 11 because you just plug in the numbers for the letter variables and solve 
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3 years ago
Givenf(x)=6(8−x)+5.<br> (a) What does the notation f (−2) mean? (b) What is the value of f (−2) ?
Nonamiya [84]

Answer:

b. 65

a. The notation f(-2) means that we want to evaluate the value of the equation when x = -2

Step-by-step explanation:

A. The notation f(-2) means that we want to evaluate the value of the equation when x = -2

B. We will simply substitute the value of 2 for x

f(x) = 6(8-x) + 5

f(-2) = 6(8 - (-2)) + 5

f(-2) = 6(8 + 2) + 5

f(-2) = 6(10) + 5 = 60 + 5 = 65

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3 years ago
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