Let f (x) = e^x and g (x) = x-3 what are the domain and range of (f g) (x)

A. domain: x>0 range: y<0

B. domain: x>3 range y>0

C. domain: al real numbers range: y<0

D. domain: all real numbers range: y>0

Question

Mathematics

Amelia

1 April, 12:15

Let f (x) = e^x and g (x) = x-3 what are the domain and range of (f g) (x)

A. domain: x>0 range: y<0

B. domain: x>3 range y>0

C. domain: al real numbers range: y<0

D. domain: all real numbers range: y>0

+1

Answers (1)

Know the Answer?

Patricky · Answer 1

(f of g) (x) = f (g (x)) = f (x-3) = e^ (x-3)

The domain of a real exponential function is all real, and

the corresponding range is y>0, i. e. (0,+∞ )

Let f (x) = e^x and g (x) = x-3 what are the domain and range of (f g) (x)A. domain: x>0 range: y<0B. domain: x>3 range y>0C. domain: al real numbers range: y<0D. domain: all real numbers range: y>0

Let f (x) = e^x and g (x) = x-3 what are the domain and range of (f g) (x)

A. domain: x>0 range: y<0

B. domain: x>3 range y>0

C. domain: al real numbers range: y<0

D. domain: all real numbers range: y>0