-8/5 -x >-1/4x -11/5
f(x)=-5x^2+1
f(x) [1,3]
cos(x) =√2/2
x ∈ π/2; 3π
2+( $x^{2}$ )/ $x^{2}$ +4
find the range
(e) cos(x) =
√
2
para x ∈
hπ
; 3π
i
2*2
1-4t(t+1)
f(x,y)= $\sqrt{4-(x-1)^2-y^2}$
Categories Frequencies Percentage
Below 18 7 7%
18-24 30 30%
25-34 43 43%
35-44 20 20%
calculate hypothesis
9*9
6+69
