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Find the value of [tex]$h(-7)$[/tex] for the function below. [tex]$n(x) = 5.7 - 19x$[/tex]

A. 138.7
B. -138.7
C. 0.67
D. -127.3


Sagot :

To find the value of [tex]\( h(-7) \)[/tex] for the function [tex]\( n(x) = 5.7 - 19x \)[/tex], we need to substitute [tex]\( x = -7 \)[/tex] into the function.

1. Start with the function:
[tex]\[ n(x) = 5.7 - 19x \][/tex]

2. Substitute [tex]\( x = -7 \)[/tex] into the function:
[tex]\[ n(-7) = 5.7 - 19(-7) \][/tex]

3. Evaluate the expression inside the parentheses:
[tex]\[ -19(-7) = 133 \][/tex]

4. Add the constant term:
[tex]\[ n(-7) = 5.7 + 133 \][/tex]

5. Calculate the final value:
[tex]\[ n(-7) = 138.7 \][/tex]

So, the correct answer is:

A. 138.7
The answer is A. 138.7 :) hope this helps!