Find an equation of the line described. With undefined slope, through 
A. - 
x + y = -2
B. - 
x - 2y = 0
C. y = -2
D. x = - 
Answer: D
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Use the commutative law of multiplication to write an equivalent expression.uv
A. u + v B. vu C. (u)(v) D. u(v + 1)
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?
The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = x2 + 3 B. f(x) = x2 - 3 C. f(x) = x2 + 6x + 9 D. f(x) = x2 - 6x + 9
Determine whether the following is the graph of a function.
A. Yes B. No