7 < x < 52
-5 < 7 < x
-7 < x < 5
-7 < x < 52
Correct answer is D
y = 2x2 + 9x - 35
2x2 + 9x = 35
x2 + 92 = 352
x2 + 92 + 8116 = 352 = 8116
(x + 94)2 = 36116
x = −94 + √36116
x = −94 + 194
= 2.5 or -7
-7 < x < 52
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