NDA 2023
- Exam
- NDA
- Year
- 2023
- Subject
- Mathematics
- Chapter
- Functions
NDA 2023 · Mathematics · Functions
If f(x)=x^2+2 and g(x)=2 x-3 , then what is (f g)(1) equal to?
If
f(x)=x2+2 and
g(x)=2x−3, then what is
(fg)(1) equal to?
Options
- A3
- B1
- C−2
- D−3
Step-by-step solution
f(x)=x2+2g(x)=2x−3(fg)(1)=f(1)×g(1)=(1+2)(2−3)=−3.
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