Answers
>
Maths
>
A Level
>
Article
Express 9^(3x+1) in the form 3^y, giving "y" in the form "ax+b" where "a" and "b" are constants.
9= 3
2
so 9
3x+1
= 3
2(3x+1)
= 3
6x+2
y= 6x+2 where a=6 and b=2
LB
Answered by
Laura B.
•
Maths tutor
20158 Views
See similar Maths A Level tutors
Related Maths A Level answers
All answers ▸
x = t^3 + t, y = t^2 +1, find dy/dx
Curve C has equation y=(9+11x)/(3-x-2x^2). Find the area of the curve between the interval (0, 1/2). State your answer in exact terms.
Express 4 sin(x) – 8 cos(x) in the form R sin(x-a), where R and a are constants, R >0 and 0< a< π/2
What is the equation of the tangent to the circle (x-5)^2+(y-3)^2=9 at the points of intersection of the circle with the line 2x-y-1=0