Simplify the expression. Write the result using positive exponents only.
-$3 ^ { - 1 } + 4 ^ { - 1 }$
A) $\frac { 7 } { 12 }$
B)- 1
C) $\frac { 12 } { 7 }$
D)2

Name: Simplify the expression. Write the result using positive exponents only. -$3 ^ { - 1 } + 4 ^ { - 1 }$ A) $\frac { 7 } { 12 }$ B)- 1 C) $\frac { 12 } { 7 }$ D)2
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Question

Quizplus · Accepted Answer

The expression simplifies to $\frac{1}{3} + \frac{1}{4} = \frac{4}{12} + \frac{3}{12} = \frac{7}{12}$.

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Simplify the Expression $3 ^ { - 1 } + 4 ^ { - 1 }$