A function which has its domain and ranges as either - or any subset of - is called a real function-

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A function wh...

Question

A function which has its domain and ranges as either $R$ or any subset of $R$ is called a real function.

False

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True

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R

R

f

R

a

f (x) = a x^{2} + 6 x - 15,

x \in R

(- \infty, \frac{3}{4})

(\frac{3}{4}, \infty)

g (x) = a x^{2} - 6 x + 15,

x \in R

R

f : R \to R

f (x) = x + 10

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