Evaluate the function at each specified value of the independent variable and simplify.
1. g(x) = 5x-2
a. g(4)
b. g(-2)
c. g(x+1)
2. f(t) = -2t + 3
a. f(0)
b. f(1/2)
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Evaluate the function at each specified value of the independent variable and simplify.
1. g(x) = 5x-2
a. g(4)
b. g(-2)
c. g(x+1)
2. f(t) = -2t + 3
a. f(0)
b. f(1/2)
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Answer:
1. g(x) = 5x - 2
a.
g(4) = 5(4) - 2
= 20 - 2
g(4) = 18
b.
g(-2) = 5(-2) - 2
= -10 - 2
g(-2) = -12
c.
g(x + 1) = 5(x + 1) - 2
= 5x + 5 - 2
g(x + 1) = 5x + 3
2. f(t) = -2t + 3
a.
f(0) = -2(0) + 3
= 0 + 3
f(0) = 3
b.
f(1/2) = -2(1/2) + 3
= -2/2 + 3
= -1 + 3
f(1/2) = 2