calculus
posted by Heather .
If (a,12) is a point on the graph of y=x^2+7x, what is a?
please show work
Respond to this Question
Similar Questions

calculus
let f be the function f(x) = x^3 + 3x^2  x + 2 a. the tangent to the graph of f at the point P = (2,8) intersects the graph of f again at the point Q. Find the coordinates of point Q. b. Find the coordinates of point R, the inflection … 
calculus
Find the coordinates of all points on the graph of y=23−x2 at which the tangent line passes through the point (10,26).please show the work i greatly appreciate it :) 
Calculus
Graph f(x) = 4^(x  1) Please show work 
calculus
answer the questions about the following function f(x)= 10x^2/x^4+25 a. is the point (sqrt 5,1) on the graph b. if x=3, what is f(x)? 
calculus
Iamhaving a really hard time trying to understand this question. Can someone please show me how to work this question. Give the following polynomial, find a. the zeros and the multiplicity of each b. where the graph crosses or touches … 
calculus
I have two questions, please help. 1. Uss completing the square to describe the graph of the following function. Support your answers graphically. f(x)= 2x^2+4x+7 please show work. 2. Can someone help me to graph this function? 
calculus
Determine the quadratic function f, whose graph is given. **The graph given is (0,2) and (3,11) The vertex is (3,11) and the yintercept is 2 So, f(x)= **Please help me understand how to do this question. Could you please show work? 
Calculus
The functions f and g are given by f(x)=√x and g(x)=6x. Let R be the region bounded by the xaxis and the graphs of f and g, as shown in the figure in the link below. Please show your work. h t t p://goo.gl/jXIZD 1. Find the … 
pre calculus
2. Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. y= 2 lxl +2 For example, if you were asked to graph y= x^2 + 1 using transformations, you would show … 
Calculus
Consider the function f(x) e^x1/2x^2. Find all points of inflection if they exist. Please show sign graph and show work in detail so I can follow for future reference. Thanks.