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ممكن الحل الله يوفقكم ..


Find a formula for the inverse of the function.
f(x) = √3 - 5x
f -1(x) =

3-5x>> كلها تحت الجذر
والطلب امفرس الـ x


س7 :
/Find a formula for the inverse of the function.
f(x) = 4x − 1\2x +7

f-1(x)=??


س : 17
/Find the exact value of each expression.
(a) tan(arctan(2))
??

(b) sin-1(sin(8π/3))
??



س18:

Find the exact value of each expression.
(a) tan(sec-1(8))


( (sin-1(7\25) (ب)