The equation of the straight line that goes through the point (3, 4) with a gradient of 2 is given as $$y=ax+b$$  . Find the value of b.

(a)  

Given the function , $$f\left(x\right)=x^3+2x^2-x+7$$ , what is the gradient when x = -2 ?

(a)  

Consider the function $$f\left(x\right)=x^3+2x^2-x+7$$ . The tangent to this curve at $$x=-2$$ is given by $$y=ax+b$$ . Find the value of a.

(a)  

Consider the function $$f\left(x\right)=x^3+2x^2-x+7$$ . The tangent to this curve at $$x=-2$$ is given by $$y=ax+b$$ . Find the value of b.

(a)  

Consider the function $$y=\frac{2}{5}x^2+\frac{1}{x^2}$$  . The tangent to this curve at $$x=2$$   is given by $$y=ax+b$$  . Find the value of a.

(a)  

Consider the function $$y=\frac{2}{5}x^2+\frac{1}{x^2}$$  . The tangent to this curve at $$x=2$$   is given by $$y=ax+b$$  . Find the value of b.

(a)  

Consider the function $$f\left(x\right)=x^3+3x^2-2x+4$$  , the normal to this curve at $$x=-2$$  is given by $$y=ax+b$$  . Find the value of a.

(a)  

Consider the function $$f\left(x\right)=x^3+3x^2-2x+4$$  , the normal to this curve at $$x=-2$$  is given by $$y=ax+b$$  . Find the value of b.

(a)  

What is the gradient of the function at $$x=-3$$  ?

(a)  

Consider the function $$f\left(x\right)=1+\frac{4}{x}$$  , the normal to this curve at $$x=-2$$  is given by $$y=ax+b$$  . Find the value of b.

(a)  

Consider the function $$f\left(x\right)=1+\frac{4}{x}$$  , the normal to this curve at $$x=-2$$  is given by $$y=ax+b$$  . Find the value of a.

(a)