Need to know how to solve function problems in algebra? From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with and solve functions.
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How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Do long division without a calculator

How To: Find a number given Its percent

How To: Find the formula of a piecewise function given a graph

How To: Figure out the domain & range of a piecewise function

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Evaluate square roots

How To: Find a missing coordinate given: coordinate & equation

How To: Find the highest common factor (or HCF) of two numbers

How To: Find the slope of a line given 2 points with fractions

How To: Calculate Faster Than a Calculator

How To: Calculate percent composition for chemistry

How To: Divide small numbers by big numbers

How To: Find the 100th term in a sequence

How To: Find the area of a triangle when given 2 sides & angle

How To: Convert between diameter and radius

How To: Use the ratio formula to find coordinates of a point

How To: Solve for the missing ratios or proportions

Find the discriminant (DELTA): quadratic equation
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