WorksheetsLTP1 MAT233
Total questions: 7
Worksheet time: 4mins
Given the function f(x)=ln(3−2x)+3
a) Find f−1(x) .
f−1(x)=23+ex−3
f−1(x)=23−ex+3
f−1(x)=23−ex−3
f−1(x)=23+ex+3
Given the function f(x)=ln(3−2x)+3 .
a) Sketch the graph of f−1(x) .
Given the function f(x)=ln(3−2x)+3
b) Determine the domain and range of f(x) and f−1(x) .
Df=Rf−1=(−∞,23), Rf=Df−1=(−∞,∞)
Df=Rf−1=(−∞,∞), Rf=Df−1=(−∞,23)
Df=Rf−1=(−∞,3), Rf=Df−1=(−∞,∞)
Df=Rf−1=(−∞,∞), Rf=Df−1=(−∞,3)
Use triangle method to simplify cos(2tan−134+π) .
725
257
2524
2425
Use logarithmic differentiation to find the derivative of
y=(lnx)sinh x .
dxdy=(lnx)sinhx[lnxsinhx+coshxlnx]
dxdy=y[lnxsinhx+coshxln(lnx)]
dxdy=(lnx)sinhx[xlnxsinhx]+coshxln(lnx)
dxdy=(lnx)sinhx[xlnxsinhx+coshxln(lnx)]
Use a suitable substitution to evaluate ∫2x2+8x+163dx .
23sin−1(2x+2)+C
43tan−1(2x+2)+C
43tanh−1(2x+2)+C
43coth−1(2x+2)+C
Use a suitable substitution to evaluate ∫02π1+sin2xcosxdx .
2π=1.5708 rad or 90°
3π=1.0472 rad or 60°
6π=0.5236 rad or 30°
4π=0.7854 rad or 45°
