book Maths Puzzle Numerical Ability

To sketch the graph of y=-(x+2)^2+1, which "common graph" would you start with?

a. f(x)=x
b. f(x)=x^2
c. f(x)=x^3
d. f(x)=|x|
e. f(x)= sq rt x
f. none of these

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book Other Question

Mrs.Jones is baking pies and cakes for a bake sale. Her cake recipe uses 2 eggs and 1 cup of milk, and her pie recipe uses 1 egg and 1.5 cups of milk. Mrs. Jones wants to bake as m explain how you would decide whether the product of three numbers is positive or negative