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Functions: If f(x)=3x^2 - 4 and g(x) = x + 3, 1) Evaluate f(3), 2) Find the inverse of f(x) (f^-1(x)), 3)Find fg(x).

in this case x=3 so you substitute it into f(x) to get f(3) = 3(3)² - 4 = 3*9 -4 = 27 - 4 = 232) There are 2 methods to this question, a logical method, and a more mathematical method. Th...

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The notion of the American Dream figures prominently in this story. How should readers define "American dream"? Moreover, is pursuing the American Dream necessarily a good thing, as evidenced by The Great Gatsby?

The idea of an American Dream was coined by historian James Truslow Adams in his 1931 book The Epic of America, and characterised as a dream in which “each man and each woman shall be able to att...

Answered by James T. • English tutor

6180 Views

“Most important to crime writing is the sense that there will be a resolution and the criminal punished” Explore the significance of resolution in 2 crime texts you have studied.

This is an example of a 25 mark AQA question. A typical answer would be around two to three pages long, and would thoroughly consider both sides of the argument, while continuing to present a sustained ju...

Answered by Maya B. • English Literature tutor

7467 Views

If a vehicle A, 1000kg moving at 5m/s collides with vehicle B, 750kg, moving in the opposite direction at 8m/s assuming no rebound what is the velocity of the vehicles after collision.

for this question we must consider the conservation of momentum law which states that the total momentum in a system before a collision must equal the total momentum in a system after a collision where mo...

Answered by Lucinda D. • Physics tutor

1857 Views

Explain why the pancreas is described as both an endocrine and an exocrine organ.

This question requires you to know the difference between endocrine and exocrine glands, as well as knowing the basic functions of the pancreas.
Endocrine = secretes directly into the blood st...

Answered by William M. • Biology tutor

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