hiplikedyani
03.02.2020 •
Mathematics
Find the equation of the exponential function, in y=a(b)^x form that passes through the points (-2,3) and (6,35). round both a and b to the nearest hundredth. must be an algebraic method.
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Ответ:
Step 1. Replace the coordinates of the first point in your equation:
x=-2, y=3
Solve the equation for "a":
Step 2. Replace the coordinates of the second point in your equation:
x=6, y=35
Replace the value of "a" from Step 1.
Calculate "b":
Step 3. Replace "b" in first equation and calculate "a":
The equation is:
Ответ:
x=-5.333333
Step-by-step explanation:
The sum of three-fourths of a number
Let the number be x
3/4 of the number
3/4 of x
3/4(x)
3x/4
The sum of 3x/4 and 1 is negative 5
3x/4-1=-5
Make 3x/4 the subject
3x/4=-5+1
3x/4=-4
Cross multiply
3x=-4(4)
3x=-16
x=-16/3
x=-5.333333