Question
Given that $f(x)=\left\{\begin{array}{ll}\sqrt{x-1} & x \geq 1 \\ 4 & x<1\end{array}\right.$ Find $f(3)$
✓
Answer
$f(x)=\sqrt{x-1}, f(x)=4$</BR>
$f(3)=\sqrt{3-1}$</BR>
$=\sqrt{2}$
$f(3)=\sqrt{3-1}$</BR>
$=\sqrt{2}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Find the sum of the following series
$10^3+11^3+12^3+\ldots+20^3$
→$10^3+11^3+12^3+\ldots+20^3$
Determine whether the graph given below represent function. Give reason for your answer concerning graph
What is the slope of a line whose inclination with positive direction of x-axis is 90°
Using the function f and g given below, find fog and gof. Check whether fog = gof
$f(x)=4 x^2-1, g(x)=1+x$
→$f(x)=4 x^2-1, g(x)=1+x$
Given the function $f : x \rightarrow x ^2-5 x +6$, evaluate $f(-1)$
→A right circular cylinder just encloses a sphere of radius r units. Calculate the ratio of the areas of the sphere and cylinder
Find the slope of the line which is parallel to y = 0.7x – 11
A and B are two events such that, P(A) = 0.42, P(B) = 0.48, and P(A ∩ B) = 0.16. Find P(A or B)
Determine whether the graph given below represent function. Give reason for your answer concerning graph
Find the sum of the following series
3 + 6 + 9 + ... + 96
3 + 6 + 9 + ... + 96