PLZ Help! A stone is tossed into the air from ground level with an initial velocity of 15 m/sec . Its height in meters at time t seconds is h(t)=15t−4.9t^2 . Compute the average velocity of the stone over the given time intervals.

a) [1,1.05]

b) [1,1.01]

c) [1,1.005]

d) [1,1.001]

After solving the above question, Use the preceding exercise to guess the instantaneous velocity of the stone at t=1 sec

The functions q and r are defined as follows. q(x)= -2x+2 r(x)= x^2 - 1 find the value of r(q(

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.