Top answers

If f(x) = x^2 - x + 7, find f(3)

f (3) = (3) 2 - (3) + 7 = 9 - 3 + 7 = 13
SJ
Answered by Sagar J. • Maths tutor
3846 Views

How do you find the integral of (2+5x)e^3x ?

If we were to expand the brackets for this question we might be able to get to an answer however there is a much simpler way of solving the problem. As this question is made up of two expressions of x multip...
OC
Answered by Olivia C. • Maths tutor
6412 Views

¿Tienen los medios de transporte algún impacto sobre el medio ambiente?

Es imposible cerrar los ojos ante la evidencia de cambios dramáticos en el clima. En efecto, las estadísticas muestran que las temperaturas globales subirán aún más en las próximas décadas. Se calcula que es...
OP
Answered by Olivia P. • Spanish tutor
3098 Views

Can you explain the approach to solving IB maths induction questions?

Proof by maths induction is a type of proof used in mathematical analysis to demonstrate that a certain expression or statement P(n) involving an arbitrary neutral number n is true for all n belonging to N. ...
VB
Answered by Vlad B. • Maths tutor
2429 Views

Explain how two populations of organisms may develop into two separate species.

The first thing to identify here is that this is a question about evolution. Students should look to give a comprehensive explanation of how organisms evolve via natural selection, while framing the answer w...
WS
Answered by Will S. • Biology tutor
6364 Views