Find the slope mand y-intercept hot the line y 2 ma: + bthat is tangent to the function f(:z:) = 3:132 +4m+1 at :1: = 4. Write your answer as m, b This question accepts lists of terms, separated by commas "," The entries can be numbers or formulas. The entries must be given in the correct order. If f(t)= 3+4 is the distance traveled by a train at time )5, find the velocity of the train at time t = 5. Type in the numerical answer only - no units. Use exact expressions, NOT decimals. This question accepts numbers or formulas. . m+h :8 Find 11mh_)_0 W for f (a?) = V 8 + 723. Write your answer using exact expressions, NOT as a decimal approximation. We f(:r:) = 3 33+ 52:2. Write your answer using exact expressions, NOT as a decimal approximation. Find limh_,0 This question accepts numbers or formulas. f(ath) -f(2) 3 Find limp-0 for f (a) = h 4+9x Write your answer using exact expressions, NOT as a decimal approximation