Math Problem Solver

The function f, of, x, equals, x, cubed, minus, 4, x, squared, minus, 11, x, plus, 20f(x)=x

3

−4x

2

−11x+20 is graphed bel...

prove that log2-( log2)^(2)/2!+( log2)^(3)/3! ..... =1/2

Use the least square regression to fit a curve on the form 𝑦=𝑎+𝑏𝑥^2 suitable for this data

x 0 2 4 6 8 10

y 7.76 11.8 24.4 43....

a square is divided into two rectangles. perimeter of the square is 50 cm. what is the sum of the perimeters of the two rectangles...

(3.6×10^15)/(0.9×10^−8)

how many three digit

To find horizontal tangents, we need to find where the derivative of the function is zero. Let's start by finding the derivative o...

4(ii) Find the gradient of

𝑓

(

𝑥

)

=

2

𝑥

2

−

𝑥

−

1

f(x)=2x

2

−x−1 at the point

(

1

,

−

3

)

(1,−3)

5^x+25^x+125^x=-5

5×5