Using the determinants method, set up the denominator for the following equations: 2x + 3y = 10; 3x + 2y = 4
a. ³3 10³
³ ³
³2 4³
b. ³10 3³
³ ³
³4 2³
c. ³2 10³
³ ³
³3 2³
d. ³2 3³
³ ³
³3 2³
e. ³3 3³
³ ³
³2 3³
d. ³2 3³
³ ³
³3 2³
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Determine whether the relation represents a function. If the relation is a function, state its domain and range.{(r, x), (s, y), (t, z), (r, w)}
A. function; domain: {r, s, t}; range: {x, y, z, w} B. function; domain: {r, s, t}; range: {x, y, z} C. not a function D. function; domain: {x, y, z, w}; range: {r, s, t}
Solve the system by the addition method.x2 + y2 = 145x2 - y2 = -17
A. {(8, 9), (-8, 9), (8, -9), (-8, -9)} B. {(-8, -9), (-9, -8)} C. {(8, 9), (9, 8), (-8, -9), (-9, -8)} D. {(8, -9), (8, 9)}
Simplify by combining like terms.-5x6 + 10x4 + 15x6 + 4x6 - 7x4
A. 17x6 + 17x4 B. -5x6 + 10x4 + 15x6 + 4x6 - 7x4 C. 17x6 D. 14x6 + 3x4
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Richard has $50.44 deducted from his monthly salary of $1940 for a vacation savings plan. What percent of Richard's salary is withheld for the vacation savings plan? What percent of Richard's salary is not withheld for vacation savings plan?
A. 2.6%; 97.4% B. 3.6%; 964% C. 97.4%; 2.6% D. 964%; 3.6%