exam Maths Puzzle Numerical Ability

In 1994, the life expectancy of males in a certain country was 69.6 years. In 2001, it was 73.3 years. Let E represent the life expectancy in year t and let t represent the numbe

Read Solution (Total 0)

exam Other Question

Can you please explain...I tried working it myself, but did not come up with correct answer...instructions...given f(x) = 5x^2-3x+1, find f(-2).

5x^2-3(-2)+1
-20+6+1
-14+1=-13

did I do this correctly?
write an equation in slope-intercept form for the line that satisfies each set of conditions.

passes through (8,-6), perpendicular to the graph of 2x-y=4