(1) f(2) = 2(2) + 1 = 5 (2) f(4) = 3(4) - 2 = 10 (3) 根据题意,当x≤3时,函数f(x) = 2x+1;当x>3时,函数f(x) = 3x-2。因此,f(x)的定义域为(-∞, +∞)。 (4) 根据题意,函数f(x)的值域为(-∞, +∞)。反馈...
0\right\},\ B=\left\{x\in N|\left|2x-3\right|\le1\right\}" data-width="429" data-height="25" class="exam-img-25 exam-img" data-size="4407" data-format="png" style="max-width:100%">,则()相关知识点: 试题来源: 解析...
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(1)方程 2x+2=0的根; (2)不等式 2x+2>0的解集; (3) -3\leqy\leq3时,x的取值范围. 相关知识点: 试题来源: 解析 函数的图象如图所示, , (1)由图象可知,函数与轴交于点, 方程的根是; (2)由图象可知,函数在轴上面的部分所对应的的值为, 不等式的解集为; (3)由图象可知,当时,的...
不等式组得解集为1≤ x 3 (7)\((array)l3x+3 5(x-1)① 43x-6≥ (6-5x)3②(array). 解不等式①得3x+3 5x-5 x 4 解不等式②得4x-18≥ 6-5x x≥ 83 不等式组得解集为83≤ x 4 (8)\((array)l(x-3)2+3≥ x+1① 1-3(x-1) 8-x②(array). 解不等式①...
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Step by step video, text & image solution for f(x)={{:((1)/(5)(2x^(2)+3)",","for",-inftyltxle1),(6-5x",","for",1ltxlt3),(x-2",","for",3lexltoo):}," then f is - " by Maths experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated ...
Depend on the SFP+ to SFP+ high-speed cable (1 m, 3 m, 5 m, 10 m), QSFP+ to 4*SFP+ high-speed cable (1 m, 3 m, 5 m), SFP+ optical module, or SFP+ optical cable used. For the optical modules supported by the LE3D2X48SX2L and their attributes, see 10GE SFP+ Op...