У
y = f(x)
2
o
Figure 3
Figure 3 shows part of the curve y = f(x) where
1-8r
f(x) =
x+0.
r
Find the area of the shaded region bounded by the curve y=f(x), the x-axis
and the line x= 2.
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0