Homework # 9

Parametric equations: find dy/dx

#1. x =(t-4)^(1/2) ; y = t+1
#2. x = t^(1/2) + 1 ; y = t^(1/3)
#3. x = 5*(1-exp(-t)) ; y = 7*(1-exp(-t)) -3*t
#4. x = (1-t*t)/(1+t*t) ; y = 2*t/(1+t*t)

(note: a^b means a raised to the b power 
       and exp(x) means e raised to the x power)  

NEUHAUSER 3rd ed

Sec. 10.3, p. 525; problems: #2, #6, #10, #12

Sec. 5.3, p. 235; problems: #16, #28 (more max and mins)

NEUHAUSER 2nd ed

Sec. 10.3.4, p. 631; problems: #2, #6, #10, #12

Sec. 5.3.4, p 287; problems: #16, #28 (more max and mins)