The height of the trapezoid is 10 inches.
What is the approximate value of t?
2 answers:
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To find the invers of y=something
1. switch x and y
2. solve for y
3. replace y with f⁻¹(x)
so
y=7x²-3
switch x and y
x=7y²-3
solve for y
add 3
x+3=7y²
rationalizing denomenator
1. switch x and y
2. solve for y
3. replace y with f⁻¹(x)
so
y=7x²-3
switch x and y
x=7y²-3
solve for y
add 3
x+3=7y²
rationalizing denomenator