Calculus Help
posted by Nat .
Based on the following table of values for the function w(t), answer the questions below.
t= 100 110 120 130 140 150
w(t)= 2.6 7.3 12.7 19 26.1 34.1
a) Which of the following best describes the derivative of w(t)?
A. changes sign
B. always positive
C. always negative
b) Which of the following best describes the second derivative of w(t)?
A. always negative
B. changes sign
C. always positive

Calculus Help 
Nat
t and w(t) are a table with corresponding values.
(100,2.6), (110,7.3), (120,12.7), (130,19), (140,26.1), (150,34.1) 
Calculus Help 
Anonymous
Sketch the graph first.
You will notice it's increasing and concave up. This should help with answering.
(if not, the solution is always positive for both)
Respond to this Question
Similar Questions

math
roman numeral for 120 130 140 150 160 170 180 190 You really need to be figuring out these values for your self based on the instructions I and another user gave you in your previous questions. That is, after all, the purpose of homework. … 
Finance
. You are given the following two sets of prices of European options as a function of the strike price, for a stock with S = 100. Assume that all options mature in 6 months, and that the interest rate (continuously compounding, annualized) … 
math
Which one(s) of these twelve brands would be considered outliers, if there are indeed any at all? 
statistics
The eruption height and the time interval after eruption of a geyser were measured and shown below. Height(x) 115 120 120 130 140 110 140 100 Interval after(y) 59 64 68 71 75 56 73 54 
Urgent Calculus Help
Based on the following table of values for the function w(t), answer the questions below. t and w(t) are a table with the following values: (100,2.6), (110,7.3), (120,12.7), (130,19), (140,26.1), (150,34.1) a) Which of the following … 
Maths..
Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and … 
Math!
Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and … 
Math
Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and … 
Stats
Y is a discrete random variable. The table below reports the values of Y and the corresponding frequency, n (the number of observations for each value). Based on this information, what is the expected value of Y? 
math
1.A wind turbine has blades 50m in diameter and an overall height of 125m. If it has four blades instead of three, create four equations modelling the height of a point on the tip for each of the four blades. 2.Create a sine equation …