Trigonometry Examples

Find the X and Y Intercepts j(x)=10(2)^x
To find the x-intercept, substitute in for and solve for .
Solve the equation.
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Rewrite the equation as .
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Divide by .
Take the base logarithm of both sides of the equation to remove the variable from the exponent.
Use logarithm rules to move out of the exponent.
Expand the right side of the equation.
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Find the value of each expression using a calculator.
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
To find the y-intercept, substitute in for and solve for .
Simplify .
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Anything raised to is .
Multiply by .
These are the and intercepts of the equation .
x-intercept:
y-intercept:
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