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Kisachek [45]
3 years ago
7

If f(x)= 6x+7, determine the value of f(-5)

Mathematics
2 answers:
Charra [1.4K]3 years ago
6 0
X = -5
so f(-5) = 6(-5)+7
f(-5) = -30 +7
f(-5)= -23
Juliette [100K]3 years ago
5 0
You would substitute or plug in -5 wherever there is an x in the equation.

f(-5) = 6(-5) + 7
f(-5)= -30 + 7
f(-5) = -23
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3
(Simplify both sides of the equation)
17
x
−
105
+
105
=
−
3
+
105
(Add 105 to both sides)
17
x
=
102
17
x
17
=
102
17
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y
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(
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y
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