$$\[ \mathrm{f}(x)=x^{2}+1 \quad \mathrm{~g}(x)=1-2 x \quad \mathrm{~h}(x)=\frac{1}{x}, x \neq 0 \quad \mathrm{j}(x)=5^{x} \]$$ Find $$\(j(5)\)$$. .............................................
Exam No：0580_w20_qp_42 Year：2020 Question No：10(f)
Answer:
3125
Knowledge points:
E1.3 Calculate with squares, square roots, cubes and cube roots and other powers and roots of numbers.
E2.9.1 Use function notation, e.g. f(x)=3x-5, f:x↦3x-5, to describe simple functions.
Solution:
Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Download
Android
Download
Download
Google Play
Download
Download