STANDARD A.REI.D.11
AI

Given the equations y=f(x) and y=g(x):
i)   recognize that each x-coordinate of the intersection(s) is the solution to the equation f(x)=g(x);
ii)  find the solutions approximately using technology to graph the functions or make tables of values; and
iii) interpret the solution in context.
Tasks are limited to cases where f(x) and g(x) are linear, polynomial, absolute value, and exponential functions of the form f(x)=a(b)^x where a>0 and b>0 (b≠1).  Students should be taught to find the solutions approximately using technology to graph the functions and make tables of values.  When solving any problem, students can choose either strategy.

AII

Given the equations y = f(x) and y = g(x):
i) recognize that each x-coordinate of the intersection(s) is the solution to the equation f(x) = g(x);
ii) find the solutions approximately using technology to graph the functions or make tables of values;
iii) find the solution of f(x) < g(x) or f(x) ≤ g(x) graphically; and
iv) interpret the solution in context.
Tasks include cases where f(x) and/or g(x) are linear, polynomial, absolute value, square root, cube root, trigonometric, exponential, and logarithmic functions.

AI

AII

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