What is the value of the function y = 1 /8 X- 13 when x = -4

a-13.5
b - 16
C-15
d -12.5

1 answer

The value of the function y = 1/8x - 13 when x = -4 can be found by substituting -4 for x:

y = 1/8(-4) - 13
y = -1/2 - 13
y = -13.5 (option a)

Therefore, the value of the function y when x = -4 is -13.5 (option a).
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