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G(x)=x^3 + 1, h(x)=3^x; solve G(h(a))=244

First combine the two functions so that we have an equation for a to solve:

G(h(a)) = (3^x)^3 + 1 = 3^(3x) + 1 = 244

which gives

3^(3x) = 243

Now...

JS
Answered by Josephine S. Maths tutor
4020 Views

What does the term terminal velocity mean?

Terminal velocity is the constant speed (in a particular direction) a body reaches when the forces are balanced, i.e. acceleration = 0 m s-2.

An example of...

DD
Answered by Daisy D. Physics tutor
4742 Views

A right-angled triangle has base 7cm and height 6cm. Find it's area.

Using the equation Area = 1/2 * base * height:

Area = 1/2 * 7 * 6

Area = 21 units.

SB
Answered by Samuel B. Maths tutor
6617 Views

Find the tangent to the curve y = x^2 + 3x + 2 at x = 1

First, we differentiate y = x^2 + 3x + 2 to find the slope of the curve at any given x point:

dy/dx = 2x + 3

So at x = 1, dy/dx = 2 + 3 = 5

We know that straig...

SB
Answered by Samuel B. Maths tutor
8402 Views

Differentiate: y = sin(2x).

Using the chain rule with u = 2x:

y = sin(2x) becomes y = sin(u)

dy/dx = dy/du * du/dx

dy/du = cos(u)

du/dx = 2

So dy/dx = dy/du * ...

SB
Answered by Samuel B. Maths tutor
18258 Views

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