Could someone give me the answer to this please?
1 answer:
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Ok, a fun hack
if f⁻¹(a)=b then f(b)=a
so if f⁻¹(7)=b then f(b)=7
to find b, find x such that f(x)=7
7=0.5(3)^x
times both sides by 2 (or divide both sides by 0.5)
14=3^x
take log₃ of both sides
if f⁻¹(a)=b then f(b)=a
so if f⁻¹(7)=b then f(b)=7
to find b, find x such that f(x)=7
7=0.5(3)^x
times both sides by 2 (or divide both sides by 0.5)
14=3^x
take log₃ of both sides
The equation in slope intercept form is
Explanation:
The given pair of points are and
The slope can be determined using the formula,
Substituting the points and
in the slope formula, we have,
The equation in slope intercept form can be determined using the formula,
Substituting and the point
in the above formula, we get,
Thus, the equation in slope intercept form is