Is the function f(x)=x^3+24x+3 an increasing or decreasing function?

f(x)=x^3 +24x+3 f'(x)=3x2+24 Since x^2>0 for all real x 3x^2+24>0 So f(x) is an increasing function

DM
Answered by Danni M. Maths tutor

4092 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Solve the simultaneous equations: y-2x-4=0, 4x^2+y^2+20x=0


Find the first four terms in the binomial expansion of (2 + x) ^5


How do you integrate a fraction when x is on the numerator and denominator?


Find the equation of the straight line passing through the origin that is tangent to the curve y = ln(x).


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning