Use a Graphing Utility to Solve the Equation on the Interval

question 338

Multiple Choice

Use a graphing utility to solve the equation on the interval 0 $0 ^ { \circ } \leq x < 360 ^ { \circ }$ . Express the solution(s) rounded to one decimal
place.
-tan2 x + 5 tan x + 3 = 0

• A) 103.1°, 145.1°, 283.1°, 325.1°
• B) 70.5°, 109.5°, 180.0°
• C) 51.8°, 128.2°
• D) 49.8°, 130.2°, 229.8°, 310.2°

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