Amy purchased a brand–new mountain bike, which she's riding through the winding trails. The bike's displacement is given by s(t) = t3 − 2t2 + 3. What is the bike's acceleration after three minutes?

a = 14 m/min²

Step-by-step explanation:

The displacement of bike is given by :

Velocity,

Finding velocity of the bike.

Acceleration,

At t = 3 minutes,

a = 6(3) - 4

= 18-4

= 14 m/min²

So, the bike's acceleration after 3 minutes is 14 m/min².

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

2 1/2 feet

step-by-step explanation: