-1
1
-2
2
Correct answer is C
y = 3t3 + 2t2 - 7t + 3
dydt = 9t2 + 4t - 7
When t = -1
dydt = 9(-1)2 + 4(-1) - 7
= 9 - 4 -7
= 9 - 11
= -2
Calculate the mean deviation of the first five prime numbers. ...
A man invested N5,000 for 9 months at 4%. What is the simple interest? ...
Simplify 31/2 - (21/3 * 11/4) + 3/5 ...
If x = 64 and y = 27, evaluate: x12−y13y−x23...
In the diagram, PQST and QRST are parallelograms. Calculate the area of the trapezium PRST. ...
A group of students took a test and the following frequency table shows the scores above The me...