exam
Maths Puzzle
Numerical Ability
please explain
you have x number of frogs, 5 of them die, you find 7 more frog each for 3 days, you have 45 frogs. how many did you start out with?
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exam Other Question
2. If f(x) = a(x+b)² + c, and a>0, what happens to the graph of f(x) when:
a. a decreases? b. b decreases?
c. c decreases?
squareroot of 72x^2y^3