Simplify the polynomial, if possible. Write the result with descending powers.-7m2 + 8m2 - 3m2 - 9m2
A. -11m2
B. Cannot be simplified; -7m2 + 8m2 - 3m2 - 9m2
C. -11m8
D. -22m
Answer: A
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Determine whether the relation represents a function. If it is a function, state the domain and range.
A. not a function B. function domain: {Ms. Lee, Mr. Bar} range: {Bob, Ann, Dave} C. function domain: {Bob, Ann, Dave} range: {Ms. Lee, Mr. Bar}
The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.x3 - 8x - 3 = 0; -3 ? r ? -2
Fill in the blank(s) with the appropriate word(s).
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.46x = 4.8
A. {6.20} B. {0.19} C. {0.22} D. {6.79}
?Determine whether the function 
is a solution of the differential equation 
.
?
A. Solution B. ?Not a solution