Answer:
3 x-intercepts
Step-by-step explanation:
f(x) = x⁴ - 5x²
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Step-by-step explanation:
cos θ = 3 / AB
When θ = 28°:
cos 28° = 3 / AB
AB = 3 / cos 28°
AB ≈ 3.4
When AB = 5.2:
cos θ = 3 / 5.2
θ = cos⁻¹(3 / 5.2)
θ ≈ 54.8°
32 64 128 are the answers
Nine plus a unknown number equals unknown.
