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kirill115 [55]
3 years ago
8

Which values of a and b in the exponential function y = a times b Superscript x would result in the following graph? On a coordi

nate plane, a curve approaches the x-axis in quadrant 3 and then decreases down through (0, negative 3) to quadrant 4. a. a = -3, b = 2 c. a = 3, b = 2 b. a = -1, b = 3 d. a = 2, b = -3 Please select the best answer from the choices provided A B C D
Mathematics
2 answers:
Sav [38]3 years ago
7 0

Answer: a=-3 b=2

Step-by-step explanation:

galina1969 [7]3 years ago
6 0

Answer:

a =-3    b =2

Step-by-step explanation:

Given

y = ab^x

(x_1,y_1) = (0,-3)

Required

Find a and b

Substitute (x_1,y_1) = (0,-3) for x and y in y = ab^x

-3 = ab^0

-3 = a * 1

-3 = a

Rewrite as:

a =-3

The above implies that (a) is correct;

Hence:

a =-3    b =2

So, the equation is:

y = -3(2)^x

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