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What is the domain of 3x²-4x 7?
Since it is a polynomial we know right away the domain is all real numbers.
5x - 4x plus 3 equals 7?
5x-4x+3=7just adding steps5x-4x+3=7you put numbers to getter but change sign5x-4x=7-35x-4x=4then it is clear5(4)-4(4)=720-16=7so as he said x=4
What is the product of 4 and a number increased by 7 is -36?
To answer this, first convert it into an equation: (4)(x+7) = -36 Now, solve for x: (4)(x+7) = -36 4x+28 = -36 4x = )-36)-28 4x = (-36) + (-28) 4x = -64 x = (-64)/4 x = -16
If the product of some number and 4 increased by 7 equals 3 then what is the number?
-1 Here is why: let x be the number, 4x+7=3 4x=3-7=-4 so 4x=-1 and x is -1
What expression has three terms and simplifies to 4x -7?
4x - 3 - 4 is one possible answer.
