Mathematics — popular questionsPage 7

36. $x^4-2x^2-63\le 0$

35. $x^4-5x^2+4<0$

34. $\frac{x^2+4x+4}{2x^2-x-1}>0$

Solve the system y = x + 8 and 5x + 3y = 16

Solve the system x = -y + 8 and 4x - 3y = -3

Solve the system y = x + 5 and y = 2x - 7

Solve the system x = 8y and x - 4y = 12

Inverse functions and one-to-one functions

Are one-to-one functions either always increasing or always decreasing

OABC is a parallelogram and M is the midpoint of BC

Prove that the bodies do not meet

Show that the distance between the bodies after t seconds

Small bodies P and Q are moving with constant velocities

Consider the differential equation dy/dx=3(x-2)(y-3) where y<0

Consider the differential equation dy/dx=2x/y

Number of possible distinct graphs G with the given vertex-distance condition

(b) Determine the bearing the boat should steer from P to Q

Water in a large river estuary flows at a constant 5.3 km/h on a bearing 165°

Why can't I define $\Delta u=(g(x)+\Delta x)-g(x)$?

k=3 from the polynomial division steps