Answer:
no, the scale has to go all the way to 20.
Step-by-step explanation:
I'm pretty sure this is right so ya.
Answer: 2
<u>Step-by-step explanation:</u>
3 ln (2) + ln (8) = 2 ln (4x)
ln (2)³ + ln (8) = ln (4x)²
ln (2³ · 8) = ln (4x)²
(2³ · 8) = (4x)²
64 = 16x²
4 = x²
±2 = x
-2 is an extraneous solution because x > 0
The only valid answer is x = 2
Yes the domain represents the X vales and range represents the Y values
"two less than 3/2 of a number (x) is no more than 5 1/2"
3/2x-2</5 1/2 (</ means less than or equal to)
simplify
1.5x-2 </5.5
+2 both sides
1.5x</7.5
÷1.5 both sides
x</5
circle is closed
arrow is to the left
(1st number line )
"the sum of two times a number (x) and -2 is at least 8"
2x+-2>/8 (>/ means greater than or equal to)
2x-2>/8
+2 both sides
2x>/10
÷2 both sides
x>/5
circle is closed
arrow is to the right
(4th number line)
"seven subtracted from 4 times a number (x) is more than 13"
4x-7>13
+7 both sides
4x>20
÷4 both sides
x>5
circle is open
arrow is to the right
(2nd number line)
"four added to 3 times a number (x) is less than 19"
3x+4 <19
-4 both sides
3x <15
÷3 both sides
x <5
circle is open
arrow is to the right
(3rd number line)
Answer:
B= 2y(3)/7x(8)
C= 12/ x(3) y(3)
D= The same because nothing else can be done with it
(parnthaces) are exponents
