math calculators

Calculate the value of m that would make the left side a perfect square trinomial. 100 x 2 - m x + 16 = 18 =>± 7 or ± 4 5 or ± 80 or ± ( 4 10 )..

A ball is dropped from the 5 th floor of a building and the distance covered by the ball to reach the ground is calculated by the formula, s = bt 2 . If the ball travels a distance of 27 meters and if b = 3, what is the time taken by the ball to reach the ground? => - 3 secs or 3 secs or ..

Find the numerical derivative of the function f ( x ) = 3 cos x at x = π by using NDER on a calculator. => 0 or 3.000 or π or - 3.000..

Find the numerical integral of the function f ( x ) = 1 + tan x , [0, π ] by using NINT on a calculator. => -2 or π or 3.14159 or 1..

Find the numerical integral of the function f ( x ) = 1 7 x , [1, e ] by using NINT on a calculator. => 0.142857 or 0.651231 or -1 or 0..

Calculate the trapezoidal approximation T n to the integral ∫ 0 4 x dx . Using 4 subintervals. => 10 or 8 or 5 or 16..

Find the numerical derivative of the function f ( x ) = ln 9 x at x = 3 by using NDER on a calculator. => 0 or 1.5 or 0.333 or -1..

Find the numerical derivative of the function f ( x ) = 2 x 2 - 9 at x = - 4 by using NDER on a calculator. => 0 or 16 or 10 or -16..

Choose the graph of the function f ( x ) = x 5 - 2 x 4 - 3 x 3 - 5 x 2 + 3 x + 4 . [Use a graphing calculator.] => Figure 1 or Figure 2..

Which of the following is a real zero, to the nearest hundredth, between 1 and 2 for the function f ( x ) = 3 x 3 -5 x 2 -3 x + 4 ?[Use a graphing calculator.] => 1.93 or 1.44 or 1.81 or 1.68..