x/5 = 9/15
x^2-2x-3>0
How manny thousands are there in one million?
dibujar una function que pase por los puntos (1,25.65);(5,25);(10,24.83);(15,22)
-3/4 + 4/7
1 . (2x-3)
round 18640 to the nearest thousand
1.
8 times 4
f(x)= $4x^{2}$ -5