Graph the linear inequality.0.3x + 0.4y ? -1.2
A. 
B. 
C. 
D. 
Answer: D
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Identify the exponent and the base, and then simplify the expression.133
A. exponent: 13, base: 3, simplified: 39 B. exponent: 39, base: 3, simplified: 13 C. exponent: 3, base: 39, simplified: 2197 D. exponent: 3, base: 13, simplified: 2197
For the function represented in the graph, determine the domain or range, as requested.Find the domain.
A. {x? 1 ? x ? 4} B. {x? -2 ? x ? 2} C. {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5} D. {x? -1 ? x ? 4}
Perform the indicated operations and simplify.
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+ 
A. 
B. 
C. 
D. 
The dimensions of two matrices are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A is 3 × 2; B is 3 × 2.
A. AB is 3 × 3; BA is 2 × 2. B. AB is 3 × 2; BA is 2 × 3. C. AB is not defined, BA is not defined. D. AB is 2 × 3; BA is 3 × 2.