Use the range rule of thumb to approximate the standard deviation.The maximum value of a distribution is 12.6 and the minimum value is 4.3. Round results to the nearest tenth.
A. 7.1
B. 2.1
C. -0.9
D. 10.7
Answer: B
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Provide an appropriate response.Derive the equations x = x0 + 
(1 - e-kt)cos ?, y = y0 + 
(1 - e-kt)sin ? + 
(1 - kt - e-kt)by solving the following initial value problem for a vector r in the plane. Differential equation: 
= -gj - kv = -gj - k
/> Initial conditions: r(0) = x0i + y0j 
(0) = v0 = (v0cos ?)i + (v0sin ?)jThe drag coefficient k is a positive constant representing resistance due to air density, v0 and ? are the projectile's initial speed and launch angle, and g is the acceleration of gravity.
What will be an ideal response?
Complete the input/output table for the given symbolic rule.y = 2x2 + 3x - 2
A. 
B. 
C. 
D. 
Solve the equation.49x3 - 4x = 0
A. - 
B. 
C. 
, - 
D. 
, - 
, 0
Determine if the function is a power function. If it is, then state the power and constant of variation.f(x) = -11
A. Power is 0; constant of variation is -11 B. Power is -11; constant of variation is 0 C. Power is 0; constant of variation is 11 D. Not a power function