1.

Find the domain and range of the function1)f(x)=5x-10b)f(x)=15-√xc)f(x)=2 modulusx+7d)f(x)=+100

Answer»

1)f(X)=5x-10
domain is (-∞,∞)
RANGE is (-∞,∞)

b)f(x)=15-√x
domain is [0,∞)
range is (-∞,15]

c)f(x)=2|x|+7
domain is (-∞,∞)
range is [7,∞)

d)f(x)=+100
domain is (-∞,∞)
range is (-∞,∞)


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