COACHES' PICK ROUND

Find the equation of the tangent line to

y = f(x) = (x + 3)/(2x + 1)

at the point corresponding to x = 0.

Find the y-intercept of the tangent line to the curve y = x

3 + 1 at the point

(2, 9).

Simplify the trigonometric expression

An airplane accelerates down a runway at 3.20 m/s² for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.

An a.c. voltage of peak value 20 V is connected in series with a silicon diode and load resistance of 500 Ω. If the forward resistance of diode is 10 Ω, find the peak current through diode 

Calculate the current through 48 Ω resistor in the circuit shown in the figure.Assume the diodes to be of silicon and forward resistance of each diode is 1 Ω.

What is the scientific name of cat?

How many classes are in the phylum Chordata ?

How many order are there in class Mammals ?

Fill in the blanks

Taxonomy is a branch of science which deals with _______________.

• Identification of species

• Classification of species

• Naming of species

• All of the above