exam Maths Puzzle Numerical Ability

1. If f(x) = a(x-h) � + k, and a>0, what happens to the graph of f(x) when:
a. a increases? b. a decreases?
c. h increases? d. h decreases?
e. k increases? f. k decreases?

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exam Other Question

Solve using Cramer's Rule.
x+2y=5
-3x+y=13 The distance in miles can be seen on the surface of the ocean is given by d=1.4√h where h is the height above the surface of the water. How many feet high above the water (to the nearest tenth) would a pirate have to climb to see 16 miles?