Provide the proper response.A student wishes to take the integral over all real numbers of f(x) = 
, and claims this is zero because -? + ? equals zero. What is wrong with this thinking?
What will be an ideal response?
Infinity cannot be added like this.
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 4
B. 
C. 293
D. 
Solve the problem.The graph depicts the distance of a runner from the finish line of a race. Find and interpret each intercept.
A. y-intercept: 4; x-intercept: 40; The runner begins 4 miles from the finish line and finishes the race in 40 minutes. B. y-intercept: 40; x-intercept: 4; The runner begins 40 miles from the finish line and finishes the race in 4 minutes. C. y-intercept: 40; x-intercept: 4; The runner begins 4 miles from the finish line and finishes the race in 40 minutes. D. y-intercept: 4; x-intercept: 40; The runner begins 40 miles from the finish line and finishes the race in 4 minutes.
Simplify using order of operations.
A. 5 B. -3 C. 3 D. -5
Write the rational expression in lowest terms.
A. -m B. 1 C. -1 D. Already in lowest terms