Provide an appropriate response.How can you rewrite a subtraction of integers problem to make it easier to solve? Give an example.
What will be an ideal response?
Change subtraction to addition, and change the sign of the subtrahend to its opposite.
-6 - (-3) = -6 + (+3) = -3
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Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 4 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e4x = 2
A. {2.77} B. {1.36} C. {0.17} D. {0.69}
Solve the equation.6x2 = 5x - 3
A. 
± 
B. 
± i
C. - 
± 
D. - 
± i
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = x - 3x2 - 2x3
A. y ? ? as x ? -? and y ? ? as x ? ? B. y ? -? as x ? -? and y ? -? as x ? ? C. y ? ? as x ? -? and y ? -? as x ? ? D. y ? -? as x ? -? and y ? ? as x ? ?