Question

solve it

r(t) = at + b. Put value of t = -b/a​

Answer 1

Answer:

0

Step-by-step explanation:

r(t) = at + b

given, t = -b/a

r(-b/a) = a(-b/a) + b

          = -b + b

          = 0

Answer 2

Answer:

r(t)= at+b

t=-b/a

=a(-b/a) + b

= -b+b

= 0