book Maths Puzzle Numerical Ability

For the function f(x)= -x^2-6x-8
(a) Find the line of symmetry
(b) State whether there is a minimum or a maximum and find that value
(c) Find the range

Read Solution (Total 0)

book Other Question

Leila needs to make a poster that is 1m by 4.5m for the big game. the cost of the paper is $3.75. Later she needs another poster with dimensions 0.5m by 2.25m. What is the paper for this poster likely to cost? A bag of fertilizer covers 6000ft2. How many bags are needed to cover an area of 26,000ft2?